30398980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^2\times {\mathrm{149}}^1$

素因数の和:360

約数の個数: 36

約数和(自身を含む): 64908900

約数和(自身を除く): 34509920

約数列:

[1, 2, 4, 5, 10, 20, 101, 149, 202, 298, 404, 505, 596, 745, 1010, 1490, 2020, 2980, 10201, 15049, 20402, 30098, 40804, 51005, 60196, 75245, 102010, 150490, 204020, 300980, 1519949, 3039898, 6079796, 7599745, 15199490, 30398980]

約数ペア:

[(1, 30398980), (2, 15199490), (4, 7599745), (5, 6079796), (10, 3039898), (20, 1519949), (101, 300980), (149, 204020), (202, 150490), (298, 102010), (404, 75245), (505, 60196), (596, 51005), (745, 40804), (1010, 30098), (1490, 20402), (2020, 15049), (2980, 10201)]