74867980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{17911}}^1$

素因数の和:17950

約数の個数: 48

約数和(自身を含む): 180552960

約数和(自身を除く): 105684980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 17911, 35822, 71644, 89555, 179110, 197021, 340309, 358220, 394042, 680618, 788084, 985105, 1361236, 1701545, 1970210, 3403090, 3743399, 3940420, 6806180, 7486798, 14973596, 18716995, 37433990, 74867980]

約数ペア:

[(1, 74867980), (2, 37433990), (4, 18716995), (5, 14973596), (10, 7486798), (11, 6806180), (19, 3940420), (20, 3743399), (22, 3403090), (38, 1970210), (44, 1701545), (55, 1361236), (76, 985105), (95, 788084), (110, 680618), (190, 394042), (209, 358220), (220, 340309), (380, 197021), (418, 179110), (836, 89555), (1045, 71644), (2090, 35822), (4180, 17911)]