20145997900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:729

約数の個数: 288

約数和(自身を含む): 55268462592

約数和(自身を除く): 35122464692

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 31, 34, 35, 50, 62, 68, 70, 85, 97, 100, 119, 124, 140, 155, 170, 175, 194, 217, 238, 310, 340, 350, 388, 425, 434, 476, 485, 527, 563, 595, 620, 679, 700, 775, 850, 868, 970, 1054, 1085, 1126, 1190, 1358, 1550, 1649, 1700, 1940, 2108, 2170, 2252, 2380, 2425, 2635, 2716, 2815, 2975, 3007, 3100, 3298, 3395, 3689, 3941, 4340, 4850, 5270, 5425, 5630, 5950, 6014, 6596, 6790, 7378, 7882, 8245, 9571, 9700, 10540, 10850, 11260, 11543, 11900, 12028, 13175, 13580, 14075, 14756, 15035, 15764, 16490, 16975, 17453, 18445, 19142, 19705, 21049, 21700, 23086, 26350, 28150, 30070, 32980, 33950, 34906, 36890, 38284, 39410, 41225, 42098, 46172, 47855, 51119, 52700, 54611, 56300, 57715, 60140, 66997, 67900, 69812, 73780, 75175, 78820, 82450, 84196, 87265, 92225, 95710, 98525, 102238, 105245, 109222, 115430, 122171, 133994, 150350, 164900, 174530, 184450, 191420, 197050, 204476, 210490, 218444, 230860, 239275, 244342, 255595, 267988, 273055, 288575, 296701, 300700, 334985, 349060, 357833, 368900, 382277, 394100, 420980, 436325, 478550, 488684, 511190, 526225, 546110, 577150, 593402, 610855, 669970, 715666, 764554, 872650, 928387, 957100, 1022380, 1052450, 1092220, 1154300, 1186804, 1221710, 1277975, 1339940, 1365275, 1431332, 1483505, 1529108, 1674925, 1692941, 1745300, 1789165, 1856774, 1911385, 2076907, 2104900, 2443420, 2555950, 2730550, 2967010, 3054275, 3349850, 3385882, 3578330, 3713548, 3822770, 4153814, 4641935, 5111900, 5461100, 5934020, 6108550, 6498709, 6699700, 6771764, 7156660, 7417525, 7645540, 8307628, 8464705, 8945825, 9283870, 9556925, 10384535, 11850587, 12217100, 12997418, 14835050, 16929410, 17891650, 18567740, 19113850, 20769070, 23209675, 23701174, 25994836, 28779997, 29670100, 32493545, 33858820, 35783300, 38227700, 41538140, 42323525, 46419350, 47402348, 51922675, 57559994, 59252935, 64987090, 84647050, 92838700, 103845350, 115119988, 118505870, 129974180, 143899985, 162467725, 169294100, 201459979, 207690700, 237011740, 287799970, 296264675, 324935450, 402919958, 575599940, 592529350, 649870900, 719499925, 805839916, 1007299895, 1185058700, 1438999850, 2014599790, 2877999700, 4029199580, 5036499475, 10072998950, 20145997900]

約数ペア:

[(1, 20145997900), (2, 10072998950), (4, 5036499475), (5, 4029199580), (7, 2877999700), (10, 2014599790), (14, 1438999850), (17, 1185058700), (20, 1007299895), (25, 805839916), (28, 719499925), (31, 649870900), (34, 592529350), (35, 575599940), (50, 402919958), (62, 324935450), (68, 296264675), (70, 287799970), (85, 237011740), (97, 207690700), (100, 201459979), (119, 169294100), (124, 162467725), (140, 143899985), (155, 129974180), (170, 118505870), (175, 115119988), (194, 103845350), (217, 92838700), (238, 84647050), (310, 64987090), (340, 59252935), (350, 57559994), (388, 51922675), (425, 47402348), (434, 46419350), (476, 42323525), (485, 41538140), (527, 38227700), (563, 35783300), (595, 33858820), (620, 32493545), (679, 29670100), (700, 28779997), (775, 25994836), (850, 23701174), (868, 23209675), (970, 20769070), (1054, 19113850), (1085, 18567740), (1126, 17891650), (1190, 16929410), (1358, 14835050), (1550, 12997418), (1649, 12217100), (1700, 11850587), (1940, 10384535), (2108, 9556925), (2170, 9283870), (2252, 8945825), (2380, 8464705), (2425, 8307628), (2635, 7645540), (2716, 7417525), (2815, 7156660), (2975, 6771764), (3007, 6699700), (3100, 6498709), (3298, 6108550), (3395, 5934020), (3689, 5461100), (3941, 5111900), (4340, 4641935), (4850, 4153814), (5270, 3822770), (5425, 3713548), (5630, 3578330), (5950, 3385882), (6014, 3349850), (6596, 3054275), (6790, 2967010), (7378, 2730550), (7882, 2555950), (8245, 2443420), (9571, 2104900), (9700, 2076907), (10540, 1911385), (10850, 1856774), (11260, 1789165), (11543, 1745300), (11900, 1692941), (12028, 1674925), (13175, 1529108), (13580, 1483505), (14075, 1431332), (14756, 1365275), (15035, 1339940), (15764, 1277975), (16490, 1221710), (16975, 1186804), (17453, 1154300), (18445, 1092220), (19142, 1052450), (19705, 1022380), (21049, 957100), (21700, 928387), (23086, 872650), (26350, 764554), (28150, 715666), (30070, 669970), (32980, 610855), (33950, 593402), (34906, 577150), (36890, 546110), (38284, 526225), (39410, 511190), (41225, 488684), (42098, 478550), (46172, 436325), (47855, 420980), (51119, 394100), (52700, 382277), (54611, 368900), (56300, 357833), (57715, 349060), (60140, 334985), (66997, 300700), (67900, 296701), (69812, 288575), (73780, 273055), (75175, 267988), (78820, 255595), (82450, 244342), (84196, 239275), (87265, 230860), (92225, 218444), (95710, 210490), (98525, 204476), (102238, 197050), (105245, 191420), (109222, 184450), (115430, 174530), (122171, 164900), (133994, 150350)]