149312720

素因数分解:

$2^4\times 5^1\times {\mathrm{1866409}}^1$

素因数の和:1866422

約数の個数: 20

約数和(自身を含む): 347152260

約数和(自身を除く): 197839540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1866409, 3732818, 7465636, 9332045, 14931272, 18664090, 29862544, 37328180, 74656360, 149312720]

約数ペア:

[(1, 149312720), (2, 74656360), (4, 37328180), (5, 29862544), (8, 18664090), (10, 14931272), (16, 9332045), (20, 7465636), (40, 3732818), (80, 1866409)]