51319660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{7481}}^1$

素因数の和:7511

約数の個数: 48

約数和(自身を含む): 125697600

約数和(自身を除く): 74377940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 7481, 14962, 29924, 37405, 52367, 74810, 104734, 149620, 209468, 261835, 366569, 523670, 733138, 1047340, 1466276, 1832845, 2565983, 3665690, 5131966, 7331380, 10263932, 12829915, 25659830, 51319660]

約数ペア:

[(1, 51319660), (2, 25659830), (4, 12829915), (5, 10263932), (7, 7331380), (10, 5131966), (14, 3665690), (20, 2565983), (28, 1832845), (35, 1466276), (49, 1047340), (70, 733138), (98, 523670), (140, 366569), (196, 261835), (245, 209468), (343, 149620), (490, 104734), (686, 74810), (980, 52367), (1372, 37405), (1715, 29924), (3430, 14962), (6860, 7481)]