307680440

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{8731}}^1$

素因数の和:9623

約数の個数: 32

約数和(自身を含む): 693146160

約数和(自身を除く): 385465720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1762, 3524, 4405, 7048, 8731, 8810, 17462, 17620, 34924, 35240, 43655, 69848, 87310, 174620, 349240, 7692011, 15384022, 30768044, 38460055, 61536088, 76920110, 153840220, 307680440]

約数ペア:

[(1, 307680440), (2, 153840220), (4, 76920110), (5, 61536088), (8, 38460055), (10, 30768044), (20, 15384022), (40, 7692011), (881, 349240), (1762, 174620), (3524, 87310), (4405, 69848), (7048, 43655), (8731, 35240), (8810, 34924), (17462, 17620)]