239439260

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{18973}}^1$

素因数の和:19613

約数の個数: 24

約数和(自身を含む): 503645856

約数和(自身を除く): 264206596

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 12620, 18973, 37946, 75892, 94865, 189730, 379460, 11971963, 23943926, 47887852, 59859815, 119719630, 239439260]

約数ペア:

[(1, 239439260), (2, 119719630), (4, 59859815), (5, 47887852), (10, 23943926), (20, 11971963), (631, 379460), (1262, 189730), (2524, 94865), (3155, 75892), (6310, 37946), (12620, 18973)]