679156900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2399}}^1$

素因数の和:2581

約数の個数: 72

約数和(自身を含む): 1562400000

約数和(自身を除く): 883243100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 149, 190, 298, 380, 475, 596, 745, 950, 1490, 1900, 2399, 2831, 2980, 3725, 4798, 5662, 7450, 9596, 11324, 11995, 14155, 14900, 23990, 28310, 45581, 47980, 56620, 59975, 70775, 91162, 119950, 141550, 182324, 227905, 239900, 283100, 357451, 455810, 714902, 911620, 1139525, 1429804, 1787255, 2279050, 3574510, 4558100, 6791569, 7149020, 8936275, 13583138, 17872550, 27166276, 33957845, 35745100, 67915690, 135831380, 169789225, 339578450, 679156900]

約数ペア:

[(1, 679156900), (2, 339578450), (4, 169789225), (5, 135831380), (10, 67915690), (19, 35745100), (20, 33957845), (25, 27166276), (38, 17872550), (50, 13583138), (76, 8936275), (95, 7149020), (100, 6791569), (149, 4558100), (190, 3574510), (298, 2279050), (380, 1787255), (475, 1429804), (596, 1139525), (745, 911620), (950, 714902), (1490, 455810), (1900, 357451), (2399, 283100), (2831, 239900), (2980, 227905), (3725, 182324), (4798, 141550), (5662, 119950), (7450, 91162), (9596, 70775), (11324, 59975), (11995, 56620), (14155, 47980), (14900, 45581), (23990, 28310)]