1708367920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{42967}}^1$

素因数の和:43058

約数の個数: 80

約数和(自身を含む): 4603419648

約数和(自身を除く): 2895051728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5680, 7952, 9940, 19880, 39760, 42967, 85934, 171868, 214835, 300769, 343736, 429670, 601538, 687472, 859340, 1203076, 1503845, 1718680, 2406152, 3007690, 3050657, 3437360, 4812304, 6015380, 6101314, 12030760, 12202628, 15253285, 21354599, 24061520, 24405256, 30506570, 42709198, 48810512, 61013140, 85418396, 106772995, 122026280, 170836792, 213545990, 244052560, 341673584, 427091980, 854183960, 1708367920]

約数ペア:

[(1, 1708367920), (2, 854183960), (4, 427091980), (5, 341673584), (7, 244052560), (8, 213545990), (10, 170836792), (14, 122026280), (16, 106772995), (20, 85418396), (28, 61013140), (35, 48810512), (40, 42709198), (56, 30506570), (70, 24405256), (71, 24061520), (80, 21354599), (112, 15253285), (140, 12202628), (142, 12030760), (280, 6101314), (284, 6015380), (355, 4812304), (497, 3437360), (560, 3050657), (568, 3007690), (710, 2406152), (994, 1718680), (1136, 1503845), (1420, 1203076), (1988, 859340), (2485, 687472), (2840, 601538), (3976, 429670), (4970, 343736), (5680, 300769), (7952, 214835), (9940, 171868), (19880, 85934), (39760, 42967)]