20798510600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1157

約数の個数: 288

約数和(自身を含む): 60090439680

約数和(自身を除く): 39291929080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 49, 50, 56, 68, 70, 85, 98, 100, 119, 127, 136, 140, 170, 175, 196, 200, 238, 245, 254, 280, 340, 350, 392, 425, 476, 490, 508, 595, 635, 680, 700, 833, 850, 889, 952, 980, 983, 1016, 1190, 1225, 1270, 1400, 1666, 1700, 1778, 1960, 1966, 2159, 2380, 2450, 2540, 2975, 3175, 3332, 3400, 3556, 3932, 4165, 4318, 4445, 4760, 4900, 4915, 5080, 5950, 6223, 6350, 6664, 6881, 7112, 7864, 8330, 8636, 8890, 9800, 9830, 10795, 11900, 12446, 12700, 13762, 15113, 16660, 16711, 17272, 17780, 19660, 20825, 21590, 22225, 23800, 24575, 24892, 25400, 27524, 30226, 31115, 33320, 33422, 34405, 35560, 39320, 41650, 43180, 44450, 48167, 49150, 49784, 53975, 55048, 60452, 62230, 66844, 68810, 75565, 83300, 83555, 86360, 88900, 96334, 98300, 105791, 107950, 116977, 120904, 124460, 124841, 133688, 137620, 151130, 155575, 166600, 167110, 172025, 177800, 192668, 196600, 211582, 215900, 233954, 240835, 248920, 249682, 275240, 302260, 311150, 334220, 344050, 377825, 385336, 417775, 423164, 431800, 467908, 481670, 499364, 528955, 584885, 604520, 622300, 624205, 668440, 688100, 755650, 818839, 835550, 846328, 873887, 935816, 963340, 998728, 1057910, 1169770, 1204175, 1244600, 1248410, 1376200, 1511300, 1637678, 1671100, 1747774, 1926680, 2115820, 2122297, 2339540, 2408350, 2496820, 2644775, 2924425, 3022600, 3121025, 3275356, 3342200, 3495548, 4094195, 4231640, 4244594, 4369435, 4679080, 4816700, 4993640, 5289550, 5848850, 6117209, 6242050, 6550712, 6991096, 8188390, 8489188, 8738870, 9633400, 10579100, 10611485, 11697700, 12234418, 12484100, 14856079, 16376780, 16978376, 17477740, 20470975, 21158200, 21222970, 21847175, 23395400, 24468836, 24968200, 29712158, 30586045, 32753560, 34955480, 40941950, 42445940, 43694350, 48937672, 53057425, 59424316, 61172090, 74280395, 81883900, 84891880, 87388700, 103992553, 106114850, 118848632, 122344180, 148560790, 152930225, 163767800, 174777400, 207985106, 212229700, 244688360, 297121580, 305860450, 371401975, 415970212, 424459400, 519962765, 594243160, 611720900, 742803950, 831940424, 1039925530, 1223441800, 1485607900, 2079851060, 2599813825, 2971215800, 4159702120, 5199627650, 10399255300, 20798510600]

約数ペア:

[(1, 20798510600), (2, 10399255300), (4, 5199627650), (5, 4159702120), (7, 2971215800), (8, 2599813825), (10, 2079851060), (14, 1485607900), (17, 1223441800), (20, 1039925530), (25, 831940424), (28, 742803950), (34, 611720900), (35, 594243160), (40, 519962765), (49, 424459400), (50, 415970212), (56, 371401975), (68, 305860450), (70, 297121580), (85, 244688360), (98, 212229700), (100, 207985106), (119, 174777400), (127, 163767800), (136, 152930225), (140, 148560790), (170, 122344180), (175, 118848632), (196, 106114850), (200, 103992553), (238, 87388700), (245, 84891880), (254, 81883900), (280, 74280395), (340, 61172090), (350, 59424316), (392, 53057425), (425, 48937672), (476, 43694350), (490, 42445940), (508, 40941950), (595, 34955480), (635, 32753560), (680, 30586045), (700, 29712158), (833, 24968200), (850, 24468836), (889, 23395400), (952, 21847175), (980, 21222970), (983, 21158200), (1016, 20470975), (1190, 17477740), (1225, 16978376), (1270, 16376780), (1400, 14856079), (1666, 12484100), (1700, 12234418), (1778, 11697700), (1960, 10611485), (1966, 10579100), (2159, 9633400), (2380, 8738870), (2450, 8489188), (2540, 8188390), (2975, 6991096), (3175, 6550712), (3332, 6242050), (3400, 6117209), (3556, 5848850), (3932, 5289550), (4165, 4993640), (4318, 4816700), (4445, 4679080), (4760, 4369435), (4900, 4244594), (4915, 4231640), (5080, 4094195), (5950, 3495548), (6223, 3342200), (6350, 3275356), (6664, 3121025), (6881, 3022600), (7112, 2924425), (7864, 2644775), (8330, 2496820), (8636, 2408350), (8890, 2339540), (9800, 2122297), (9830, 2115820), (10795, 1926680), (11900, 1747774), (12446, 1671100), (12700, 1637678), (13762, 1511300), (15113, 1376200), (16660, 1248410), (16711, 1244600), (17272, 1204175), (17780, 1169770), (19660, 1057910), (20825, 998728), (21590, 963340), (22225, 935816), (23800, 873887), (24575, 846328), (24892, 835550), (25400, 818839), (27524, 755650), (30226, 688100), (31115, 668440), (33320, 624205), (33422, 622300), (34405, 604520), (35560, 584885), (39320, 528955), (41650, 499364), (43180, 481670), (44450, 467908), (48167, 431800), (49150, 423164), (49784, 417775), (53975, 385336), (55048, 377825), (60452, 344050), (62230, 334220), (66844, 311150), (68810, 302260), (75565, 275240), (83300, 249682), (83555, 248920), (86360, 240835), (88900, 233954), (96334, 215900), (98300, 211582), (105791, 196600), (107950, 192668), (116977, 177800), (120904, 172025), (124460, 167110), (124841, 166600), (133688, 155575), (137620, 151130)]