998514160

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{36389}}^1$

素因数の和:36423

約数の個数: 80

約数和(自身を含む): 2707416000

約数和(自身を除く): 1708901840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 13720, 27440, 36389, 72778, 145556, 181945, 254723, 291112, 363890, 509446, 582224, 727780, 1018892, 1273615, 1455560, 1783061, 2037784, 2547230, 2911120, 3566122, 4075568, 5094460, 7132244, 8915305, 10188920, 12481427, 14264488, 17830610, 20377840, 24962854, 28528976, 35661220, 49925708, 62407135, 71322440, 99851416, 124814270, 142644880, 199702832, 249628540, 499257080, 998514160]

約数ペア:

[(1, 998514160), (2, 499257080), (4, 249628540), (5, 199702832), (7, 142644880), (8, 124814270), (10, 99851416), (14, 71322440), (16, 62407135), (20, 49925708), (28, 35661220), (35, 28528976), (40, 24962854), (49, 20377840), (56, 17830610), (70, 14264488), (80, 12481427), (98, 10188920), (112, 8915305), (140, 7132244), (196, 5094460), (245, 4075568), (280, 3566122), (343, 2911120), (392, 2547230), (490, 2037784), (560, 1783061), (686, 1455560), (784, 1273615), (980, 1018892), (1372, 727780), (1715, 582224), (1960, 509446), (2744, 363890), (3430, 291112), (3920, 254723), (5488, 181945), (6860, 145556), (13720, 72778), (27440, 36389)]