123628090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{521}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 227195280

約数和(自身を除く): 103567190

約数列:

[1, 2, 5, 10, 61, 122, 305, 389, 521, 610, 778, 1042, 1945, 2605, 3890, 5210, 23729, 31781, 47458, 63562, 118645, 158905, 202669, 237290, 317810, 405338, 1013345, 2026690, 12362809, 24725618, 61814045, 123628090]

約数ペア:

[(1, 123628090), (2, 61814045), (5, 24725618), (10, 12362809), (61, 2026690), (122, 1013345), (305, 405338), (389, 317810), (521, 237290), (610, 202669), (778, 158905), (1042, 118645), (1945, 63562), (2605, 47458), (3890, 31781), (5210, 23729)]