149113040

素因数分解:

$2^4\times 5^1\times {\mathrm{1863913}}^1$

素因数の和:1863926

約数の個数: 20

約数和(自身を含む): 346688004

約数和(自身を除く): 197574964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1863913, 3727826, 7455652, 9319565, 14911304, 18639130, 29822608, 37278260, 74556520, 149113040]

約数ペア:

[(1, 149113040), (2, 74556520), (4, 37278260), (5, 29822608), (8, 18639130), (10, 14911304), (16, 9319565), (20, 7455652), (40, 3727826), (80, 1863913)]