61617820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{739}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 141724800

約数和(自身を除く): 80106980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 379, 739, 758, 1478, 1516, 1895, 2956, 3695, 3790, 4169, 7390, 7580, 8129, 8338, 14780, 16258, 16676, 20845, 32516, 40645, 41690, 81290, 83380, 162580, 280081, 560162, 1120324, 1400405, 2800810, 3080891, 5601620, 6161782, 12323564, 15404455, 30808910, 61617820]

約数ペア:

[(1, 61617820), (2, 30808910), (4, 15404455), (5, 12323564), (10, 6161782), (11, 5601620), (20, 3080891), (22, 2800810), (44, 1400405), (55, 1120324), (110, 560162), (220, 280081), (379, 162580), (739, 83380), (758, 81290), (1478, 41690), (1516, 40645), (1895, 32516), (2956, 20845), (3695, 16676), (3790, 16258), (4169, 14780), (7390, 8338), (7580, 8129)]