2827790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 6156000

約数和(自身を除く): 3328210

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 199, 203, 245, 290, 398, 406, 490, 995, 1015, 1393, 1421, 1990, 2030, 2786, 2842, 5771, 6965, 7105, 9751, 11542, 13930, 14210, 19502, 28855, 40397, 48755, 57710, 80794, 97510, 201985, 282779, 403970, 565558, 1413895, 2827790]

約数ペア:

[(1, 2827790), (2, 1413895), (5, 565558), (7, 403970), (10, 282779), (14, 201985), (29, 97510), (35, 80794), (49, 57710), (58, 48755), (70, 40397), (98, 28855), (145, 19502), (199, 14210), (203, 13930), (245, 11542), (290, 9751), (398, 7105), (406, 6965), (490, 5771), (995, 2842), (1015, 2786), (1393, 2030), (1421, 1990)]