289329220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{110431}}^1$

素因数の和:110571

約数の個数: 24

約数和(自身を含む): 612235008

約数和(自身を除く): 322905788

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 110431, 220862, 441724, 552155, 1104310, 2208620, 14466461, 28932922, 57865844, 72332305, 144664610, 289329220]

約数ペア:

[(1, 289329220), (2, 144664610), (4, 72332305), (5, 57865844), (10, 28932922), (20, 14466461), (131, 2208620), (262, 1104310), (524, 552155), (655, 441724), (1310, 220862), (2620, 110431)]