2978587480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{45433}}^1$

素因数の和:45604

約数の個数: 64

約数和(自身を含む): 7360308000

約数和(自身を除く): 4381720520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 1192, 1490, 1639, 2980, 3278, 5960, 6556, 8195, 13112, 16390, 32780, 45433, 65560, 90866, 181732, 227165, 363464, 454330, 499763, 908660, 999526, 1817320, 1999052, 2498815, 3998104, 4997630, 6769517, 9995260, 13539034, 19990520, 27078068, 33847585, 54156136, 67695170, 74464687, 135390340, 148929374, 270780680, 297858748, 372323435, 595717496, 744646870, 1489293740, 2978587480]

約数ペア:

[(1, 2978587480), (2, 1489293740), (4, 744646870), (5, 595717496), (8, 372323435), (10, 297858748), (11, 270780680), (20, 148929374), (22, 135390340), (40, 74464687), (44, 67695170), (55, 54156136), (88, 33847585), (110, 27078068), (149, 19990520), (220, 13539034), (298, 9995260), (440, 6769517), (596, 4997630), (745, 3998104), (1192, 2498815), (1490, 1999052), (1639, 1817320), (2980, 999526), (3278, 908660), (5960, 499763), (6556, 454330), (8195, 363464), (13112, 227165), (16390, 181732), (32780, 90866), (45433, 65560)]