999220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1063}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 2145024

約数和(自身を除く): 1145804

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1063, 2126, 4252, 5315, 10630, 21260, 49961, 99922, 199844, 249805, 499610, 999220]

約数ペア:

[(1, 999220), (2, 499610), (4, 249805), (5, 199844), (10, 99922), (20, 49961), (47, 21260), (94, 10630), (188, 5315), (235, 4252), (470, 2126), (940, 1063)]