4914984980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{20963}}^1$

素因数の和:21608

約数の個数: 48

約数和(自身を含む): 10882831680

約数和(自身を除く): 5967846700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 617, 1234, 2468, 3085, 6170, 11723, 12340, 20963, 23446, 41926, 46892, 58615, 83852, 104815, 117230, 209630, 234460, 398297, 419260, 796594, 1593188, 1991485, 3982970, 7965940, 12934171, 25868342, 51736684, 64670855, 129341710, 245749249, 258683420, 491498498, 982996996, 1228746245, 2457492490, 4914984980]

約数ペア:

[(1, 4914984980), (2, 2457492490), (4, 1228746245), (5, 982996996), (10, 491498498), (19, 258683420), (20, 245749249), (38, 129341710), (76, 64670855), (95, 51736684), (190, 25868342), (380, 12934171), (617, 7965940), (1234, 3982970), (2468, 1991485), (3085, 1593188), (6170, 796594), (11723, 419260), (12340, 398297), (20963, 234460), (23446, 209630), (41926, 117230), (46892, 104815), (58615, 83852)]