217675260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109937}}^1$

素因数の和:109963

約数の個数: 72

約数和(自身を含む): 720313776

約数和(自身を除く): 502638516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 109937, 219874, 329811, 439748, 549685, 659622, 989433, 1099370, 1209307, 1319244, 1649055, 1978866, 2198740, 2418614, 3298110, 3627921, 3957732, 4837228, 4947165, 6046535, 6596220, 7255842, 9894330, 10883763, 12093070, 14511684, 18139605, 19788660, 21767526, 24186140, 36279210, 43535052, 54418815, 72558420, 108837630, 217675260]

約数ペア:

[(1, 217675260), (2, 108837630), (3, 72558420), (4, 54418815), (5, 43535052), (6, 36279210), (9, 24186140), (10, 21767526), (11, 19788660), (12, 18139605), (15, 14511684), (18, 12093070), (20, 10883763), (22, 9894330), (30, 7255842), (33, 6596220), (36, 6046535), (44, 4947165), (45, 4837228), (55, 3957732), (60, 3627921), (66, 3298110), (90, 2418614), (99, 2198740), (110, 1978866), (132, 1649055), (165, 1319244), (180, 1209307), (198, 1099370), (220, 989433), (330, 659622), (396, 549685), (495, 439748), (660, 329811), (990, 219874), (1980, 109937)]