3440140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{823}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 8305920

約数和(自身を除く): 4865780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 823, 836, 1045, 1646, 2090, 3292, 4115, 4180, 8230, 9053, 15637, 16460, 18106, 31274, 36212, 45265, 62548, 78185, 90530, 156370, 172007, 181060, 312740, 344014, 688028, 860035, 1720070, 3440140]

約数ペア:

[(1, 3440140), (2, 1720070), (4, 860035), (5, 688028), (10, 344014), (11, 312740), (19, 181060), (20, 172007), (22, 156370), (38, 90530), (44, 78185), (55, 62548), (76, 45265), (95, 36212), (110, 31274), (190, 18106), (209, 16460), (220, 15637), (380, 9053), (418, 8230), (823, 4180), (836, 4115), (1045, 3292), (1646, 2090)]