156720490

素因数分解:

$2^1\times 5^1\times {\mathrm{2749}}^1\times {\mathrm{5701}}^1$

素因数の和:8457

約数の個数: 16

約数和(自身を含む): 282249000

約数和(自身を除く): 125528510

約数列:

[1, 2, 5, 10, 2749, 5498, 5701, 11402, 13745, 27490, 28505, 57010, 15672049, 31344098, 78360245, 156720490]

約数ペア:

[(1, 156720490), (2, 78360245), (5, 31344098), (10, 15672049), (2749, 57010), (5498, 28505), (5701, 27490), (11402, 13745)]