310020020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137177}}^1$

素因数の和:137299

約数の個数: 24

約数和(自身を含む): 656808264

約数和(自身を除く): 346788244

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 137177, 274354, 548708, 685885, 1371770, 2743540, 15501001, 31002002, 62004004, 77505005, 155010010, 310020020]

約数ペア:

[(1, 310020020), (2, 155010010), (4, 77505005), (5, 62004004), (10, 31002002), (20, 15501001), (113, 2743540), (226, 1371770), (452, 685885), (565, 548708), (1130, 274354), (2260, 137177)]