2609420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 6199200

約数和(自身を除く): 3589780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 409, 580, 638, 818, 1276, 1595, 1636, 2045, 3190, 4090, 4499, 6380, 8180, 8998, 11861, 17996, 22495, 23722, 44990, 47444, 59305, 89980, 118610, 130471, 237220, 260942, 521884, 652355, 1304710, 2609420]

約数ペア:

[(1, 2609420), (2, 1304710), (4, 652355), (5, 521884), (10, 260942), (11, 237220), (20, 130471), (22, 118610), (29, 89980), (44, 59305), (55, 47444), (58, 44990), (110, 23722), (116, 22495), (145, 17996), (220, 11861), (290, 8998), (319, 8180), (409, 6380), (580, 4499), (638, 4090), (818, 3190), (1276, 2045), (1595, 1636)]