624994420

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{27827}}^1$

素因数の和:28959

約数の個数: 24

約数和(自身を含む): 1313704224

約数和(自身を除く): 688709804

約数列:

[1, 2, 4, 5, 10, 20, 1123, 2246, 4492, 5615, 11230, 22460, 27827, 55654, 111308, 139135, 278270, 556540, 31249721, 62499442, 124998884, 156248605, 312497210, 624994420]

約数ペア:

[(1, 624994420), (2, 312497210), (4, 156248605), (5, 124998884), (10, 62499442), (20, 31249721), (1123, 556540), (2246, 278270), (4492, 139135), (5615, 111308), (11230, 55654), (22460, 27827)]