148454920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{86311}}^1$

素因数の和:86365

約数の個数: 32

約数和(自身を含む): 341795520

約数和(自身を除く): 193340600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 86311, 172622, 345244, 431555, 690488, 863110, 1726220, 3452440, 3711373, 7422746, 14845492, 18556865, 29690984, 37113730, 74227460, 148454920]

約数ペア:

[(1, 148454920), (2, 74227460), (4, 37113730), (5, 29690984), (8, 18556865), (10, 14845492), (20, 7422746), (40, 3711373), (43, 3452440), (86, 1726220), (172, 863110), (215, 690488), (344, 431555), (430, 345244), (860, 172622), (1720, 86311)]