20409822800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1979}}^1$

素因数の和:2098

約数の個数: 240

約数和(自身を含む): 54800064000

約数和(自身を除く): 34390241200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 38, 40, 46, 50, 59, 76, 80, 92, 95, 100, 115, 118, 152, 184, 190, 200, 230, 236, 295, 304, 368, 380, 400, 437, 460, 472, 475, 575, 590, 760, 874, 920, 944, 950, 1121, 1150, 1180, 1357, 1475, 1520, 1748, 1840, 1900, 1979, 2185, 2242, 2300, 2360, 2714, 2950, 3496, 3800, 3958, 4370, 4484, 4600, 4720, 5428, 5605, 5900, 6785, 6992, 7600, 7916, 8740, 8968, 9200, 9895, 10856, 10925, 11210, 11800, 13570, 15832, 17480, 17936, 19790, 21712, 21850, 22420, 23600, 25783, 27140, 28025, 31664, 33925, 34960, 37601, 39580, 43700, 44840, 45517, 49475, 51566, 54280, 56050, 67850, 75202, 79160, 87400, 89680, 91034, 98950, 103132, 108560, 112100, 116761, 128915, 135700, 150404, 158320, 174800, 182068, 188005, 197900, 206264, 224200, 227585, 233522, 257830, 271400, 300808, 364136, 376010, 395800, 412528, 448400, 455170, 467044, 515660, 542800, 583805, 601616, 644575, 728272, 752020, 791600, 864823, 910340, 934088, 940025, 1031320, 1137925, 1167610, 1289150, 1504040, 1729646, 1820680, 1868176, 1880050, 2062640, 2218459, 2275850, 2335220, 2578300, 2685503, 2919025, 3008080, 3459292, 3641360, 3760100, 4324115, 4436918, 4551700, 4670440, 5156600, 5371006, 5838050, 6918584, 7520200, 8648230, 8873836, 9103400, 9340880, 10313200, 10742012, 11092295, 11676100, 13427515, 13837168, 15040400, 17296460, 17747672, 18206800, 21484024, 21620575, 22184590, 23352200, 26855030, 34592920, 35495344, 42968048, 43241150, 44369180, 46704400, 51024557, 53710060, 55461475, 67137575, 69185840, 86482300, 88738360, 102049114, 107420120, 110922950, 134275150, 172964600, 177476720, 204098228, 214840240, 221845900, 255122785, 268550300, 345929200, 408196456, 443691800, 510245570, 537100600, 816392912, 887383600, 1020491140, 1074201200, 1275613925, 2040982280, 2551227850, 4081964560, 5102455700, 10204911400, 20409822800]

約数ペア:

[(1, 20409822800), (2, 10204911400), (4, 5102455700), (5, 4081964560), (8, 2551227850), (10, 2040982280), (16, 1275613925), (19, 1074201200), (20, 1020491140), (23, 887383600), (25, 816392912), (38, 537100600), (40, 510245570), (46, 443691800), (50, 408196456), (59, 345929200), (76, 268550300), (80, 255122785), (92, 221845900), (95, 214840240), (100, 204098228), (115, 177476720), (118, 172964600), (152, 134275150), (184, 110922950), (190, 107420120), (200, 102049114), (230, 88738360), (236, 86482300), (295, 69185840), (304, 67137575), (368, 55461475), (380, 53710060), (400, 51024557), (437, 46704400), (460, 44369180), (472, 43241150), (475, 42968048), (575, 35495344), (590, 34592920), (760, 26855030), (874, 23352200), (920, 22184590), (944, 21620575), (950, 21484024), (1121, 18206800), (1150, 17747672), (1180, 17296460), (1357, 15040400), (1475, 13837168), (1520, 13427515), (1748, 11676100), (1840, 11092295), (1900, 10742012), (1979, 10313200), (2185, 9340880), (2242, 9103400), (2300, 8873836), (2360, 8648230), (2714, 7520200), (2950, 6918584), (3496, 5838050), (3800, 5371006), (3958, 5156600), (4370, 4670440), (4484, 4551700), (4600, 4436918), (4720, 4324115), (5428, 3760100), (5605, 3641360), (5900, 3459292), (6785, 3008080), (6992, 2919025), (7600, 2685503), (7916, 2578300), (8740, 2335220), (8968, 2275850), (9200, 2218459), (9895, 2062640), (10856, 1880050), (10925, 1868176), (11210, 1820680), (11800, 1729646), (13570, 1504040), (15832, 1289150), (17480, 1167610), (17936, 1137925), (19790, 1031320), (21712, 940025), (21850, 934088), (22420, 910340), (23600, 864823), (25783, 791600), (27140, 752020), (28025, 728272), (31664, 644575), (33925, 601616), (34960, 583805), (37601, 542800), (39580, 515660), (43700, 467044), (44840, 455170), (45517, 448400), (49475, 412528), (51566, 395800), (54280, 376010), (56050, 364136), (67850, 300808), (75202, 271400), (79160, 257830), (87400, 233522), (89680, 227585), (91034, 224200), (98950, 206264), (103132, 197900), (108560, 188005), (112100, 182068), (116761, 174800), (128915, 158320), (135700, 150404)]