178343480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8971}}^1$

素因数の和:9060

約数の個数: 64

約数和(自身を含む): 465108480

約数和(自身を除く): 286765000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 8971, 9940, 17942, 19880, 35884, 44855, 62797, 71768, 89710, 125594, 179420, 251188, 313985, 358840, 502376, 627970, 636941, 1255940, 1273882, 2511880, 2547764, 3184705, 4458587, 5095528, 6369410, 8917174, 12738820, 17834348, 22292935, 25477640, 35668696, 44585870, 89171740, 178343480]

約数ペア:

[(1, 178343480), (2, 89171740), (4, 44585870), (5, 35668696), (7, 25477640), (8, 22292935), (10, 17834348), (14, 12738820), (20, 8917174), (28, 6369410), (35, 5095528), (40, 4458587), (56, 3184705), (70, 2547764), (71, 2511880), (140, 1273882), (142, 1255940), (280, 636941), (284, 627970), (355, 502376), (497, 358840), (568, 313985), (710, 251188), (994, 179420), (1420, 125594), (1988, 89710), (2485, 71768), (2840, 62797), (3976, 44855), (4970, 35884), (8971, 19880), (9940, 17942)]