155111980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{52051}}^1$

素因数の和:52209

約数の個数: 24

約数和(自身を含む): 327927600

約数和(自身を除く): 172815620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 52051, 104102, 208204, 260255, 520510, 1041020, 7755599, 15511198, 31022396, 38777995, 77555990, 155111980]

約数ペア:

[(1, 155111980), (2, 77555990), (4, 38777995), (5, 31022396), (10, 15511198), (20, 7755599), (149, 1041020), (298, 520510), (596, 260255), (745, 208204), (1490, 104102), (2980, 52051)]