4017740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 9055200

約数和(自身を除く): 5037460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 109, 190, 194, 218, 380, 388, 436, 485, 545, 970, 1090, 1843, 1940, 2071, 2180, 3686, 4142, 7372, 8284, 9215, 10355, 10573, 18430, 20710, 21146, 36860, 41420, 42292, 52865, 105730, 200887, 211460, 401774, 803548, 1004435, 2008870, 4017740]

約数ペア:

[(1, 4017740), (2, 2008870), (4, 1004435), (5, 803548), (10, 401774), (19, 211460), (20, 200887), (38, 105730), (76, 52865), (95, 42292), (97, 41420), (109, 36860), (190, 21146), (194, 20710), (218, 18430), (380, 10573), (388, 10355), (436, 9215), (485, 8284), (545, 7372), (970, 4142), (1090, 3686), (1843, 2180), (1940, 2071)]