1971050

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:590

約数の個数: 24

約数和(自身を含む): 3720000

約数和(自身を除く): 1748950

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 499, 790, 998, 1975, 2495, 3950, 4990, 12475, 24950, 39421, 78842, 197105, 394210, 985525, 1971050]

約数ペア:

[(1, 1971050), (2, 985525), (5, 394210), (10, 197105), (25, 78842), (50, 39421), (79, 24950), (158, 12475), (395, 4990), (499, 3950), (790, 2495), (998, 1975)]