72810220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{520073}}^1$

素因数の和:520089

約数の個数: 24

約数和(自身を含む): 174744864

約数和(自身を除く): 101934644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 520073, 1040146, 2080292, 2600365, 3640511, 5200730, 7281022, 10401460, 14562044, 18202555, 36405110, 72810220]

約数ペア:

[(1, 72810220), (2, 36405110), (4, 18202555), (5, 14562044), (7, 10401460), (10, 7281022), (14, 5200730), (20, 3640511), (28, 2600365), (35, 2080292), (70, 1040146), (140, 520073)]