149788840

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{11813}}^1$

素因数の和:12141

約数の個数: 32

約数和(自身を含む): 338116680

約数和(自身を除く): 188327840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 11813, 12680, 23626, 47252, 59065, 94504, 118130, 236260, 472520, 3744721, 7489442, 14978884, 18723605, 29957768, 37447210, 74894420, 149788840]

約数ペア:

[(1, 149788840), (2, 74894420), (4, 37447210), (5, 29957768), (8, 18723605), (10, 14978884), (20, 7489442), (40, 3744721), (317, 472520), (634, 236260), (1268, 118130), (1585, 94504), (2536, 59065), (3170, 47252), (6340, 23626), (11813, 12680)]