149715920

素因数分解:

$2^4\times 5^1\times {\mathrm{1871449}}^1$

素因数の和:1871462

約数の個数: 20

約数和(自身を含む): 348089700

約数和(自身を除く): 198373780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1871449, 3742898, 7485796, 9357245, 14971592, 18714490, 29943184, 37428980, 74857960, 149715920]

約数ペア:

[(1, 149715920), (2, 74857960), (4, 37428980), (5, 29943184), (8, 18714490), (10, 14971592), (16, 9357245), (20, 7485796), (40, 3742898), (80, 1871449)]