204534440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2687}}^1$

素因数の和:2882

約数の個数: 64

約数和(自身を含む): 505128960

約数和(自身を除く): 300594520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 220, 346, 440, 692, 865, 1384, 1730, 1903, 2687, 3460, 3806, 5374, 6920, 7612, 9515, 10748, 13435, 15224, 19030, 21496, 26870, 29557, 38060, 53740, 59114, 76120, 107480, 118228, 147785, 236456, 295570, 464851, 591140, 929702, 1182280, 1859404, 2324255, 3718808, 4648510, 5113361, 9297020, 10226722, 18594040, 20453444, 25566805, 40906888, 51133610, 102267220, 204534440]

約数ペア:

[(1, 204534440), (2, 102267220), (4, 51133610), (5, 40906888), (8, 25566805), (10, 20453444), (11, 18594040), (20, 10226722), (22, 9297020), (40, 5113361), (44, 4648510), (55, 3718808), (88, 2324255), (110, 1859404), (173, 1182280), (220, 929702), (346, 591140), (440, 464851), (692, 295570), (865, 236456), (1384, 147785), (1730, 118228), (1903, 107480), (2687, 76120), (3460, 59114), (3806, 53740), (5374, 38060), (6920, 29557), (7612, 26870), (9515, 21496), (10748, 19030), (13435, 15224)]