22289740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 51819264

約数和(自身を除く): 29529524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1427, 1562, 2854, 3124, 3905, 5708, 7135, 7810, 14270, 15620, 15697, 28540, 31394, 62788, 78485, 101317, 156970, 202634, 313940, 405268, 506585, 1013170, 1114487, 2026340, 2228974, 4457948, 5572435, 11144870, 22289740]

約数ペア:

[(1, 22289740), (2, 11144870), (4, 5572435), (5, 4457948), (10, 2228974), (11, 2026340), (20, 1114487), (22, 1013170), (44, 506585), (55, 405268), (71, 313940), (110, 202634), (142, 156970), (220, 101317), (284, 78485), (355, 62788), (710, 31394), (781, 28540), (1420, 15697), (1427, 15620), (1562, 14270), (2854, 7810), (3124, 7135), (3905, 5708)]