28486990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{14033}}^1$

素因数の和:14076

約数の個数: 32

約数和(自身を含む): 60626880

約数和(自身を除く): 32139890

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 14033, 28066, 70165, 98231, 140330, 196462, 406957, 491155, 813914, 982310, 2034785, 2848699, 4069570, 5697398, 14243495, 28486990]

約数ペア:

[(1, 28486990), (2, 14243495), (5, 5697398), (7, 4069570), (10, 2848699), (14, 2034785), (29, 982310), (35, 813914), (58, 491155), (70, 406957), (145, 196462), (203, 140330), (290, 98231), (406, 70165), (1015, 28066), (2030, 14033)]