251015270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{120103}}^1$

素因数の和:120140

約数の個数: 32

約数和(自身を含む): 518849280

約数和(自身を除く): 267834010

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 120103, 240206, 600515, 1201030, 1321133, 2281957, 2642266, 4563914, 6605665, 11409785, 13211330, 22819570, 25101527, 50203054, 125507635, 251015270]

約数ペア:

[(1, 251015270), (2, 125507635), (5, 50203054), (10, 25101527), (11, 22819570), (19, 13211330), (22, 11409785), (38, 6605665), (55, 4563914), (95, 2642266), (110, 2281957), (190, 1321133), (209, 1201030), (418, 600515), (1045, 240206), (2090, 120103)]