1998712760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4542529}}^1$

素因数の和:4542551

約数の個数: 32

約数和(自身を含む): 4905932400

約数和(自身を除く): 2907219640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4542529, 9085058, 18170116, 22712645, 36340232, 45425290, 49967819, 90850580, 99935638, 181701160, 199871276, 249839095, 399742552, 499678190, 999356380, 1998712760]

約数ペア:

[(1, 1998712760), (2, 999356380), (4, 499678190), (5, 399742552), (8, 249839095), (10, 199871276), (11, 181701160), (20, 99935638), (22, 90850580), (40, 49967819), (44, 45425290), (55, 36340232), (88, 22712645), (110, 18170116), (220, 9085058), (440, 4542529)]