628031140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{259517}}^1$

素因数の和:259548

約数の個数: 36

約数和(自身を含む): 1449667548

約数和(自身を除く): 821636408

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 259517, 519034, 1038068, 1297585, 2595170, 2854687, 5190340, 5709374, 11418748, 14273435, 28546870, 31401557, 57093740, 62803114, 125606228, 157007785, 314015570, 628031140]

約数ペア:

[(1, 628031140), (2, 314015570), (4, 157007785), (5, 125606228), (10, 62803114), (11, 57093740), (20, 31401557), (22, 28546870), (44, 14273435), (55, 11418748), (110, 5709374), (121, 5190340), (220, 2854687), (242, 2595170), (484, 1297585), (605, 1038068), (1210, 519034), (2420, 259517)]