397012210

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{283}}^1\times {\mathrm{409}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 838368000

約数和(自身を除く): 441355790

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 283, 343, 409, 490, 566, 686, 818, 1415, 1715, 1981, 2045, 2830, 2863, 3430, 3962, 4090, 5726, 9905, 13867, 14315, 19810, 20041, 27734, 28630, 40082, 69335, 97069, 100205, 115747, 138670, 140287, 194138, 200410, 231494, 280574, 485345, 578735, 701435, 810229, 970690, 1157470, 1402870, 1620458, 4051145, 5671603, 8102290, 11343206, 28358015, 39701221, 56716030, 79402442, 198506105, 397012210]

約数ペア:

[(1, 397012210), (2, 198506105), (5, 79402442), (7, 56716030), (10, 39701221), (14, 28358015), (35, 11343206), (49, 8102290), (70, 5671603), (98, 4051145), (245, 1620458), (283, 1402870), (343, 1157470), (409, 970690), (490, 810229), (566, 701435), (686, 578735), (818, 485345), (1415, 280574), (1715, 231494), (1981, 200410), (2045, 194138), (2830, 140287), (2863, 138670), (3430, 115747), (3962, 100205), (4090, 97069), (5726, 69335), (9905, 40082), (13867, 28630), (14315, 27734), (19810, 20041)]