72380390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{787}}^1$

素因数の和:1352

約数の個数: 32

約数和(自身を含む): 138379104

約数和(自身を除く): 65998714

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 541, 787, 1082, 1574, 2705, 3935, 5410, 7870, 9197, 13379, 18394, 26758, 45985, 66895, 91970, 133790, 425767, 851534, 2128835, 4257670, 7238039, 14476078, 36190195, 72380390]

約数ペア:

[(1, 72380390), (2, 36190195), (5, 14476078), (10, 7238039), (17, 4257670), (34, 2128835), (85, 851534), (170, 425767), (541, 133790), (787, 91970), (1082, 66895), (1574, 45985), (2705, 26758), (3935, 18394), (5410, 13379), (7870, 9197)]