3947502020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:634

約数の個数: 192

約数和(自身を含む): 10636738560

約数和(自身を除く): 6689236540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 79, 110, 140, 142, 154, 158, 220, 284, 308, 316, 355, 385, 395, 457, 497, 553, 710, 770, 781, 790, 869, 914, 994, 1106, 1420, 1540, 1562, 1580, 1738, 1828, 1988, 2212, 2285, 2485, 2765, 3124, 3199, 3476, 3905, 4345, 4570, 4970, 5027, 5467, 5530, 5609, 6083, 6398, 7810, 8690, 9140, 9940, 10054, 10934, 11060, 11218, 12166, 12796, 15620, 15995, 17380, 20108, 21868, 22436, 24332, 25135, 27335, 28045, 30415, 31990, 32447, 35189, 36103, 39263, 50270, 54670, 56090, 60830, 61699, 63980, 64894, 70378, 72206, 78526, 100540, 109340, 112180, 121660, 123398, 129788, 140756, 144412, 157052, 162235, 175945, 180515, 196315, 227129, 246796, 252721, 308495, 324470, 351890, 356917, 361030, 392630, 397133, 431893, 454258, 505442, 616990, 648940, 703780, 713834, 722060, 785260, 794266, 863786, 908516, 1010884, 1135645, 1233980, 1263605, 1427668, 1588532, 1727572, 1784585, 1985665, 2159465, 2271290, 2498419, 2527210, 2563313, 2779931, 3569170, 3971330, 4318930, 4542580, 4996838, 5054420, 5126626, 5559862, 7138340, 7942660, 8637860, 9993676, 10253252, 11119724, 12492095, 12816565, 13899655, 17943191, 24984190, 25633130, 27799310, 28196443, 35886382, 49968380, 51266260, 55598620, 56392886, 71772764, 89715955, 112785772, 140982215, 179431910, 197375101, 281964430, 358863820, 394750202, 563928860, 789500404, 986875505, 1973751010, 3947502020]

約数ペア:

[(1, 3947502020), (2, 1973751010), (4, 986875505), (5, 789500404), (7, 563928860), (10, 394750202), (11, 358863820), (14, 281964430), (20, 197375101), (22, 179431910), (28, 140982215), (35, 112785772), (44, 89715955), (55, 71772764), (70, 56392886), (71, 55598620), (77, 51266260), (79, 49968380), (110, 35886382), (140, 28196443), (142, 27799310), (154, 25633130), (158, 24984190), (220, 17943191), (284, 13899655), (308, 12816565), (316, 12492095), (355, 11119724), (385, 10253252), (395, 9993676), (457, 8637860), (497, 7942660), (553, 7138340), (710, 5559862), (770, 5126626), (781, 5054420), (790, 4996838), (869, 4542580), (914, 4318930), (994, 3971330), (1106, 3569170), (1420, 2779931), (1540, 2563313), (1562, 2527210), (1580, 2498419), (1738, 2271290), (1828, 2159465), (1988, 1985665), (2212, 1784585), (2285, 1727572), (2485, 1588532), (2765, 1427668), (3124, 1263605), (3199, 1233980), (3476, 1135645), (3905, 1010884), (4345, 908516), (4570, 863786), (4970, 794266), (5027, 785260), (5467, 722060), (5530, 713834), (5609, 703780), (6083, 648940), (6398, 616990), (7810, 505442), (8690, 454258), (9140, 431893), (9940, 397133), (10054, 392630), (10934, 361030), (11060, 356917), (11218, 351890), (12166, 324470), (12796, 308495), (15620, 252721), (15995, 246796), (17380, 227129), (20108, 196315), (21868, 180515), (22436, 175945), (24332, 162235), (25135, 157052), (27335, 144412), (28045, 140756), (30415, 129788), (31990, 123398), (32447, 121660), (35189, 112180), (36103, 109340), (39263, 100540), (50270, 78526), (54670, 72206), (56090, 70378), (60830, 64894), (61699, 63980)]