127260220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{147977}}^1$

素因数の和:148029

約数の個数: 24

約数和(自身を含む): 273463344

約数和(自身を除く): 146203124

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 147977, 295954, 591908, 739885, 1479770, 2959540, 6363011, 12726022, 25452044, 31815055, 63630110, 127260220]

約数ペア:

[(1, 127260220), (2, 63630110), (4, 31815055), (5, 25452044), (10, 12726022), (20, 6363011), (43, 2959540), (86, 1479770), (172, 739885), (215, 591908), (430, 295954), (860, 147977)]