321283780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{6781}}^1$

素因数の和:6916

約数の個数: 48

約数和(自身を含む): 710970624

約数和(自身を除く): 389686844

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 103, 115, 206, 230, 412, 460, 515, 1030, 2060, 2369, 4738, 6781, 9476, 11845, 13562, 23690, 27124, 33905, 47380, 67810, 135620, 155963, 311926, 623852, 698443, 779815, 1396886, 1559630, 2793772, 3119260, 3492215, 6984430, 13968860, 16064189, 32128378, 64256756, 80320945, 160641890, 321283780]

約数ペア:

[(1, 321283780), (2, 160641890), (4, 80320945), (5, 64256756), (10, 32128378), (20, 16064189), (23, 13968860), (46, 6984430), (92, 3492215), (103, 3119260), (115, 2793772), (206, 1559630), (230, 1396886), (412, 779815), (460, 698443), (515, 623852), (1030, 311926), (2060, 155963), (2369, 135620), (4738, 67810), (6781, 47380), (9476, 33905), (11845, 27124), (13562, 23690)]