685536890

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{569}}^1\times {\mathrm{571}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 1244168640

約数和(自身を除く): 558631750

約数列:

[1, 2, 5, 10, 211, 422, 569, 571, 1055, 1138, 1142, 2110, 2845, 2855, 5690, 5710, 120059, 120481, 240118, 240962, 324899, 600295, 602405, 649798, 1200590, 1204810, 1624495, 3248990, 68553689, 137107378, 342768445, 685536890]

約数ペア:

[(1, 685536890), (2, 342768445), (5, 137107378), (10, 68553689), (211, 3248990), (422, 1624495), (569, 1204810), (571, 1200590), (1055, 649798), (1138, 602405), (1142, 600295), (2110, 324899), (2845, 240962), (2855, 240118), (5690, 120481), (5710, 120059)]