281428870

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{385519}}^1$

素因数の和:385599

約数の個数: 16

約数和(自身を含む): 513512640

約数和(自身を除く): 232083770

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 385519, 771038, 1927595, 3855190, 28142887, 56285774, 140714435, 281428870]

約数ペア:

[(1, 281428870), (2, 140714435), (5, 56285774), (10, 28142887), (73, 3855190), (146, 1927595), (365, 771038), (730, 385519)]