100520980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{718007}}^1$

素因数の和:718023

約数の個数: 24

約数和(自身を含む): 241250688

約数和(自身を除く): 140729708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 718007, 1436014, 2872028, 3590035, 5026049, 7180070, 10052098, 14360140, 20104196, 25130245, 50260490, 100520980]

約数ペア:

[(1, 100520980), (2, 50260490), (4, 25130245), (5, 20104196), (7, 14360140), (10, 10052098), (14, 7180070), (20, 5026049), (28, 3590035), (35, 2872028), (70, 1436014), (140, 718007)]