220715780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{3041}}^1$

素因数の和:3260

約数の個数: 48

約数和(自身を含む): 490613760

約数和(自身を除く): 269897980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 3041, 3629, 3820, 6082, 7258, 12164, 14516, 15205, 18145, 30410, 36290, 57779, 60820, 72580, 115558, 231116, 288895, 577790, 580831, 1155580, 1161662, 2323324, 2904155, 5808310, 11035789, 11616620, 22071578, 44143156, 55178945, 110357890, 220715780]

約数ペア:

[(1, 220715780), (2, 110357890), (4, 55178945), (5, 44143156), (10, 22071578), (19, 11616620), (20, 11035789), (38, 5808310), (76, 2904155), (95, 2323324), (190, 1161662), (191, 1155580), (380, 580831), (382, 577790), (764, 288895), (955, 231116), (1910, 115558), (3041, 72580), (3629, 60820), (3820, 57779), (6082, 36290), (7258, 30410), (12164, 18145), (14516, 15205)]