9701980

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2137}}^1$

素因数の和:2373

約数の個数: 24

約数和(自身を含む): 20473488

約数和(自身を除く): 10771508

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2137, 2270, 4274, 4540, 8548, 10685, 21370, 42740, 485099, 970198, 1940396, 2425495, 4850990, 9701980]

約数ペア:

[(1, 9701980), (2, 4850990), (4, 2425495), (5, 1940396), (10, 970198), (20, 485099), (227, 42740), (454, 21370), (908, 10685), (1135, 8548), (2137, 4540), (2270, 4274)]