208021460

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{37549}}^1$

素因数の和:37835

約数の個数: 24

約数和(自身を含む): 438433800

約数和(自身を除く): 230412340

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 37549, 75098, 150196, 187745, 375490, 750980, 10401073, 20802146, 41604292, 52005365, 104010730, 208021460]

約数ペア:

[(1, 208021460), (2, 104010730), (4, 52005365), (5, 41604292), (10, 20802146), (20, 10401073), (277, 750980), (554, 375490), (1108, 187745), (1385, 150196), (2770, 75098), (5540, 37549)]