22208780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^2$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 53539920

約数和(自身を除く): 31331140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 59, 110, 116, 118, 145, 220, 236, 290, 295, 319, 580, 590, 638, 649, 1180, 1276, 1298, 1595, 1711, 2596, 3190, 3245, 3422, 3481, 6380, 6490, 6844, 6962, 8555, 12980, 13924, 17110, 17405, 18821, 34220, 34810, 37642, 38291, 69620, 75284, 76582, 94105, 100949, 153164, 188210, 191455, 201898, 376420, 382910, 403796, 504745, 765820, 1009490, 1110439, 2018980, 2220878, 4441756, 5552195, 11104390, 22208780]

約数ペア:

[(1, 22208780), (2, 11104390), (4, 5552195), (5, 4441756), (10, 2220878), (11, 2018980), (20, 1110439), (22, 1009490), (29, 765820), (44, 504745), (55, 403796), (58, 382910), (59, 376420), (110, 201898), (116, 191455), (118, 188210), (145, 153164), (220, 100949), (236, 94105), (290, 76582), (295, 75284), (319, 69620), (580, 38291), (590, 37642), (638, 34810), (649, 34220), (1180, 18821), (1276, 17405), (1298, 17110), (1595, 13924), (1711, 12980), (2596, 8555), (3190, 6962), (3245, 6844), (3422, 6490), (3481, 6380)]