3111020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 7257600

約数和(自身を除く): 4146580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 179, 220, 316, 358, 395, 716, 790, 869, 895, 1580, 1738, 1790, 1969, 3476, 3580, 3938, 4345, 7876, 8690, 9845, 14141, 17380, 19690, 28282, 39380, 56564, 70705, 141410, 155551, 282820, 311102, 622204, 777755, 1555510, 3111020]

約数ペア:

[(1, 3111020), (2, 1555510), (4, 777755), (5, 622204), (10, 311102), (11, 282820), (20, 155551), (22, 141410), (44, 70705), (55, 56564), (79, 39380), (110, 28282), (158, 19690), (179, 17380), (220, 14141), (316, 9845), (358, 8690), (395, 7876), (716, 4345), (790, 3938), (869, 3580), (895, 3476), (1580, 1969), (1738, 1790)]