30898780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140449}}^1$

素因数の和:140469

約数の個数: 24

約数和(自身を含む): 70786800

約数和(自身を除く): 39888020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 140449, 280898, 561796, 702245, 1404490, 1544939, 2808980, 3089878, 6179756, 7724695, 15449390, 30898780]

約数ペア:

[(1, 30898780), (2, 15449390), (4, 7724695), (5, 6179756), (10, 3089878), (11, 2808980), (20, 1544939), (22, 1404490), (44, 702245), (55, 561796), (110, 280898), (220, 140449)]