86467640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{308813}}^1$

素因数の和:308831

約数の個数: 32

約数和(自身を含む): 222346080

約数和(自身を除く): 135878440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 308813, 617626, 1235252, 1544065, 2161691, 2470504, 3088130, 4323382, 6176260, 8646764, 10808455, 12352520, 17293528, 21616910, 43233820, 86467640]

約数ペア:

[(1, 86467640), (2, 43233820), (4, 21616910), (5, 17293528), (7, 12352520), (8, 10808455), (10, 8646764), (14, 6176260), (20, 4323382), (28, 3088130), (35, 2470504), (40, 2161691), (56, 1544065), (70, 1235252), (140, 617626), (280, 308813)]