149980900

素因数分解:

$2^2\times 5^2\times {\mathrm{661}}^1\times {\mathrm{2269}}^1$

素因数の和:2944

約数の個数: 36

約数和(自身を含む): 326094580

約数和(自身を除く): 176113680

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 661, 1322, 2269, 2644, 3305, 4538, 6610, 9076, 11345, 13220, 16525, 22690, 33050, 45380, 56725, 66100, 113450, 226900, 1499809, 2999618, 5999236, 7499045, 14998090, 29996180, 37495225, 74990450, 149980900]

約数ペア:

[(1, 149980900), (2, 74990450), (4, 37495225), (5, 29996180), (10, 14998090), (20, 7499045), (25, 5999236), (50, 2999618), (100, 1499809), (661, 226900), (1322, 113450), (2269, 66100), (2644, 56725), (3305, 45380), (4538, 33050), (6610, 22690), (9076, 16525), (11345, 13220)]