9845990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:717

約数の個数: 64

約数和(自身を含む): 23293440

約数和(自身を除く): 13447450

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 673, 770, 1045, 1330, 1346, 1463, 2090, 2926, 3365, 4711, 6730, 7315, 7403, 9422, 12787, 14630, 14806, 23555, 25574, 37015, 47110, 51821, 63935, 74030, 89509, 103642, 127870, 140657, 179018, 259105, 281314, 447545, 518210, 703285, 895090, 984599, 1406570, 1969198, 4922995, 9845990]

約数ペア:

[(1, 9845990), (2, 4922995), (5, 1969198), (7, 1406570), (10, 984599), (11, 895090), (14, 703285), (19, 518210), (22, 447545), (35, 281314), (38, 259105), (55, 179018), (70, 140657), (77, 127870), (95, 103642), (110, 89509), (133, 74030), (154, 63935), (190, 51821), (209, 47110), (266, 37015), (385, 25574), (418, 23555), (665, 14806), (673, 14630), (770, 12787), (1045, 9422), (1330, 7403), (1346, 7315), (1463, 6730), (2090, 4711), (2926, 3365)]