30786580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139939}}^1$

素因数の和:139959

約数の個数: 24

約数和(自身を含む): 70529760

約数和(自身を除く): 39743180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 139939, 279878, 559756, 699695, 1399390, 1539329, 2798780, 3078658, 6157316, 7696645, 15393290, 30786580]

約数ペア:

[(1, 30786580), (2, 15393290), (4, 7696645), (5, 6157316), (10, 3078658), (11, 2798780), (20, 1539329), (22, 1399390), (44, 699695), (55, 559756), (110, 279878), (220, 139939)]