287103620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127037}}^1$

素因数の和:127159

約数の個数: 24

約数和(自身を含む): 608257944

約数和(自身を除く): 321154324

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 127037, 254074, 508148, 635185, 1270370, 2540740, 14355181, 28710362, 57420724, 71775905, 143551810, 287103620]

約数ペア:

[(1, 287103620), (2, 143551810), (4, 71775905), (5, 57420724), (10, 28710362), (20, 14355181), (113, 2540740), (226, 1270370), (452, 635185), (565, 508148), (1130, 254074), (2260, 127037)]