189562990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{2851}}^1$

素因数の和:3028

約数の個数: 32

約数和(自身を含む): 350111520

約数和(自身を除く): 160548530

約数列:

[1, 2, 5, 10, 61, 109, 122, 218, 305, 545, 610, 1090, 2851, 5702, 6649, 13298, 14255, 28510, 33245, 66490, 173911, 310759, 347822, 621518, 869555, 1553795, 1739110, 3107590, 18956299, 37912598, 94781495, 189562990]

約数ペア:

[(1, 189562990), (2, 94781495), (5, 37912598), (10, 18956299), (61, 3107590), (109, 1739110), (122, 1553795), (218, 869555), (305, 621518), (545, 347822), (610, 310759), (1090, 173911), (2851, 66490), (5702, 33245), (6649, 28510), (13298, 14255)]