280638580

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{58711}}^1$

素因数の和:58959

約数の個数: 24

約数和(自身を含む): 591816960

約数和(自身を除く): 311178380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 58711, 117422, 234844, 293555, 587110, 1174220, 14031929, 28063858, 56127716, 70159645, 140319290, 280638580]

約数ペア:

[(1, 280638580), (2, 140319290), (4, 70159645), (5, 56127716), (10, 28063858), (20, 14031929), (239, 1174220), (478, 587110), (956, 293555), (1195, 234844), (2390, 117422), (4780, 58711)]