385221220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{147031}}^1$

素因数の和:147171

約数の個数: 24

約数和(自身を含む): 815145408

約数和(自身を除く): 429924188

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 147031, 294062, 588124, 735155, 1470310, 2940620, 19261061, 38522122, 77044244, 96305305, 192610610, 385221220]

約数ペア:

[(1, 385221220), (2, 192610610), (4, 96305305), (5, 77044244), (10, 38522122), (20, 19261061), (131, 2940620), (262, 1470310), (524, 735155), (655, 588124), (1310, 294062), (2620, 147031)]