72702140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{519301}}^1$

素因数の和:519317

約数の個数: 24

約数和(自身を含む): 174485472

約数和(自身を除く): 101783332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 519301, 1038602, 2077204, 2596505, 3635107, 5193010, 7270214, 10386020, 14540428, 18175535, 36351070, 72702140]

約数ペア:

[(1, 72702140), (2, 36351070), (4, 18175535), (5, 14540428), (7, 10386020), (10, 7270214), (14, 5193010), (20, 3635107), (28, 2596505), (35, 2077204), (70, 1038602), (140, 519301)]