72412190

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1291}}^1$

素因数の和:1448

約数の個数: 32

約数和(自身を含む): 133954560

約数和(自身を除く): 61542370

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 355, 395, 710, 790, 1291, 2582, 5609, 6455, 11218, 12910, 28045, 56090, 91661, 101989, 183322, 203978, 458305, 509945, 916610, 1019890, 7241219, 14482438, 36206095, 72412190]

約数ペア:

[(1, 72412190), (2, 36206095), (5, 14482438), (10, 7241219), (71, 1019890), (79, 916610), (142, 509945), (158, 458305), (355, 203978), (395, 183322), (710, 101989), (790, 91661), (1291, 56090), (2582, 28045), (5609, 12910), (6455, 11218)]