28104770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 52704000

約数和(自身を除く): 24599230

約数列:

[1, 2, 5, 10, 29, 58, 145, 199, 290, 398, 487, 974, 995, 1990, 2435, 4870, 5771, 11542, 14123, 28246, 28855, 57710, 70615, 96913, 141230, 193826, 484565, 969130, 2810477, 5620954, 14052385, 28104770]

約数ペア:

[(1, 28104770), (2, 14052385), (5, 5620954), (10, 2810477), (29, 969130), (58, 484565), (145, 193826), (199, 141230), (290, 96913), (398, 70615), (487, 57710), (974, 28855), (995, 28246), (1990, 14123), (2435, 11542), (4870, 5771)]