2498990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 4959360

約数和(自身を除く): 2460370

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 409, 470, 611, 818, 1222, 2045, 3055, 4090, 5317, 6110, 10634, 19223, 26585, 38446, 53170, 96115, 192230, 249899, 499798, 1249495, 2498990]

約数ペア:

[(1, 2498990), (2, 1249495), (5, 499798), (10, 249899), (13, 192230), (26, 96115), (47, 53170), (65, 38446), (94, 26585), (130, 19223), (235, 10634), (409, 6110), (470, 5317), (611, 4090), (818, 3055), (1222, 2045)]