9988980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{727}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 28129920

約数和(自身を除く): 18140940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 229, 458, 687, 727, 916, 1145, 1374, 1454, 2181, 2290, 2748, 2908, 3435, 3635, 4362, 4580, 6870, 7270, 8724, 10905, 13740, 14540, 21810, 43620, 166483, 332966, 499449, 665932, 832415, 998898, 1664830, 1997796, 2497245, 3329660, 4994490, 9988980]

約数ペア:

[(1, 9988980), (2, 4994490), (3, 3329660), (4, 2497245), (5, 1997796), (6, 1664830), (10, 998898), (12, 832415), (15, 665932), (20, 499449), (30, 332966), (60, 166483), (229, 43620), (458, 21810), (687, 14540), (727, 13740), (916, 10905), (1145, 8724), (1374, 7270), (1454, 6870), (2181, 4580), (2290, 4362), (2748, 3635), (2908, 3435)]