28856740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4523}}^1$

素因数の和:4572

約数の個数: 48

約数和(自身を含む): 68402880

約数和(自身を除く): 39546140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 4523, 6380, 9046, 18092, 22615, 45230, 49753, 90460, 99506, 131167, 199012, 248765, 262334, 497530, 524668, 655835, 995060, 1311670, 1442837, 2623340, 2885674, 5771348, 7214185, 14428370, 28856740]

約数ペア:

[(1, 28856740), (2, 14428370), (4, 7214185), (5, 5771348), (10, 2885674), (11, 2623340), (20, 1442837), (22, 1311670), (29, 995060), (44, 655835), (55, 524668), (58, 497530), (110, 262334), (116, 248765), (145, 199012), (220, 131167), (290, 99506), (319, 90460), (580, 49753), (638, 45230), (1276, 22615), (1595, 18092), (3190, 9046), (4523, 6380)]