291866680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1042381}}^1$

素因数の和:1042399

約数の個数: 32

約数和(自身を含む): 750515040

約数和(自身を除く): 458648360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1042381, 2084762, 4169524, 5211905, 7296667, 8339048, 10423810, 14593334, 20847620, 29186668, 36483335, 41695240, 58373336, 72966670, 145933340, 291866680]

約数ペア:

[(1, 291866680), (2, 145933340), (4, 72966670), (5, 58373336), (7, 41695240), (8, 36483335), (10, 29186668), (14, 20847620), (20, 14593334), (28, 10423810), (35, 8339048), (40, 7296667), (56, 5211905), (70, 4169524), (140, 2084762), (280, 1042381)]