149212720

素因数分解:

$2^4\times 5^1\times {\mathrm{1865159}}^1$

素因数の和:1865172

約数の個数: 20

約数和(自身を含む): 346919760

約数和(自身を除く): 197707040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1865159, 3730318, 7460636, 9325795, 14921272, 18651590, 29842544, 37303180, 74606360, 149212720]

約数ペア:

[(1, 149212720), (2, 74606360), (4, 37303180), (5, 29842544), (8, 18651590), (10, 14921272), (16, 9325795), (20, 7460636), (40, 3730318), (80, 1865159)]