289344940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{110437}}^1$

素因数の和:110577

約数の個数: 24

約数和(自身を含む): 612268272

約数和(自身を除く): 322923332

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 110437, 220874, 441748, 552185, 1104370, 2208740, 14467247, 28934494, 57868988, 72336235, 144672470, 289344940]

約数ペア:

[(1, 289344940), (2, 144672470), (4, 72336235), (5, 57868988), (10, 28934494), (20, 14467247), (131, 2208740), (262, 1104370), (524, 552185), (655, 441748), (1310, 220874), (2620, 110437)]