9769910980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{30853}}^1$

素因数の和:31156

約数の個数: 48

約数和(自身を含む): 20899759104

約数和(自身を除く): 11129848124

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 223, 284, 355, 446, 710, 892, 1115, 1420, 2230, 4460, 15833, 30853, 31666, 61706, 63332, 79165, 123412, 154265, 158330, 308530, 316660, 617060, 2190563, 4381126, 6880219, 8762252, 10952815, 13760438, 21905630, 27520876, 34401095, 43811260, 68802190, 137604380, 488495549, 976991098, 1953982196, 2442477745, 4884955490, 9769910980]

約数ペア:

[(1, 9769910980), (2, 4884955490), (4, 2442477745), (5, 1953982196), (10, 976991098), (20, 488495549), (71, 137604380), (142, 68802190), (223, 43811260), (284, 34401095), (355, 27520876), (446, 21905630), (710, 13760438), (892, 10952815), (1115, 8762252), (1420, 6880219), (2230, 4381126), (4460, 2190563), (15833, 617060), (30853, 316660), (31666, 308530), (61706, 158330), (63332, 154265), (79165, 123412)]