787831220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67567}}^1$

素因数の和:67640

約数の個数: 48

約数和(自身を含む): 1838930688

約数和(自身を除く): 1051099468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 11660, 67567, 135134, 270268, 337835, 675670, 743237, 1351340, 1486474, 2972948, 3581051, 3716185, 7162102, 7432370, 14324204, 14864740, 17905255, 35810510, 39391561, 71621020, 78783122, 157566244, 196957805, 393915610, 787831220]

約数ペア:

[(1, 787831220), (2, 393915610), (4, 196957805), (5, 157566244), (10, 78783122), (11, 71621020), (20, 39391561), (22, 35810510), (44, 17905255), (53, 14864740), (55, 14324204), (106, 7432370), (110, 7162102), (212, 3716185), (220, 3581051), (265, 2972948), (530, 1486474), (583, 1351340), (1060, 743237), (1166, 675670), (2332, 337835), (2915, 270268), (5830, 135134), (11660, 67567)]