872428840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{298777}}^1$

素因数の和:298861

約数の個数: 32

約数和(自身を含む): 1989861480

約数和(自身を除く): 1117432640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 298777, 597554, 1195108, 1493885, 2390216, 2987770, 5975540, 11951080, 21810721, 43621442, 87242884, 109053605, 174485768, 218107210, 436214420, 872428840]

約数ペア:

[(1, 872428840), (2, 436214420), (4, 218107210), (5, 174485768), (8, 109053605), (10, 87242884), (20, 43621442), (40, 21810721), (73, 11951080), (146, 5975540), (292, 2987770), (365, 2390216), (584, 1493885), (730, 1195108), (1460, 597554), (2920, 298777)]