149496440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{47309}}^1$

素因数の和:47399

約数の個数: 32

約数和(自身を含む): 340632000

約数和(自身を除く): 191135560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 47309, 94618, 189236, 236545, 378472, 473090, 946180, 1892360, 3737411, 7474822, 14949644, 18687055, 29899288, 37374110, 74748220, 149496440]

約数ペア:

[(1, 149496440), (2, 74748220), (4, 37374110), (5, 29899288), (8, 18687055), (10, 14949644), (20, 7474822), (40, 3737411), (79, 1892360), (158, 946180), (316, 473090), (395, 378472), (632, 236545), (790, 189236), (1580, 94618), (3160, 47309)]