117771640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{420613}}^1$

素因数の和:420631

約数の個数: 32

約数和(自身を含む): 302842080

約数和(自身を除く): 185070440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 420613, 841226, 1682452, 2103065, 2944291, 3364904, 4206130, 5888582, 8412260, 11777164, 14721455, 16824520, 23554328, 29442910, 58885820, 117771640]

約数ペア:

[(1, 117771640), (2, 58885820), (4, 29442910), (5, 23554328), (7, 16824520), (8, 14721455), (10, 11777164), (14, 8412260), (20, 5888582), (28, 4206130), (35, 3364904), (40, 2944291), (56, 2103065), (70, 1682452), (140, 841226), (280, 420613)]