998940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{16649}}^1$

素因数の和:16661

約数の個数: 24

約数和(自身を含む): 2797200

約数和(自身を除く): 1798260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 16649, 33298, 49947, 66596, 83245, 99894, 166490, 199788, 249735, 332980, 499470, 998940]

約数ペア:

[(1, 998940), (2, 499470), (3, 332980), (4, 249735), (5, 199788), (6, 166490), (10, 99894), (12, 83245), (15, 66596), (20, 49947), (30, 33298), (60, 16649)]