149007440

素因数分解:

$2^4\times 5^1\times {\mathrm{1862593}}^1$

素因数の和:1862606

約数の個数: 20

約数和(自身を含む): 346442484

約数和(自身を除く): 197435044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1862593, 3725186, 7450372, 9312965, 14900744, 18625930, 29801488, 37251860, 74503720, 149007440]

約数ペア:

[(1, 149007440), (2, 74503720), (4, 37251860), (5, 29801488), (8, 18625930), (10, 14900744), (16, 9312965), (20, 7450372), (40, 3725186), (80, 1862593)]