30789460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1499}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 70560000

約数和(自身を除く): 39770540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1499, 1580, 2054, 2998, 4108, 5135, 5996, 7495, 10270, 14990, 19487, 20540, 29980, 38974, 77948, 97435, 118421, 194870, 236842, 389740, 473684, 592105, 1184210, 1539473, 2368420, 3078946, 6157892, 7697365, 15394730, 30789460]

約数ペア:

[(1, 30789460), (2, 15394730), (4, 7697365), (5, 6157892), (10, 3078946), (13, 2368420), (20, 1539473), (26, 1184210), (52, 592105), (65, 473684), (79, 389740), (130, 236842), (158, 194870), (260, 118421), (316, 97435), (395, 77948), (790, 38974), (1027, 29980), (1499, 20540), (1580, 19487), (2054, 14990), (2998, 10270), (4108, 7495), (5135, 5996)]