85434820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 183496320

約数和(自身を除く): 98061500

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 163, 292, 326, 359, 365, 652, 718, 730, 815, 1436, 1460, 1630, 1795, 3260, 3590, 7180, 11899, 23798, 26207, 47596, 52414, 58517, 59495, 104828, 117034, 118990, 131035, 234068, 237980, 262070, 292585, 524140, 585170, 1170340, 4271741, 8543482, 17086964, 21358705, 42717410, 85434820]

約数ペア:

[(1, 85434820), (2, 42717410), (4, 21358705), (5, 17086964), (10, 8543482), (20, 4271741), (73, 1170340), (146, 585170), (163, 524140), (292, 292585), (326, 262070), (359, 237980), (365, 234068), (652, 131035), (718, 118990), (730, 117034), (815, 104828), (1436, 59495), (1460, 58517), (1630, 52414), (1795, 47596), (3260, 26207), (3590, 23798), (7180, 11899)]