657208090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{121931}}^1$

素因数の和:121963

約数の個数: 48

約数和(自身を含む): 1501226784

約数和(自身を除く): 844018694

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 121931, 243862, 609655, 853517, 1219310, 1341241, 1707034, 2682482, 4267585, 5974619, 6706205, 8535170, 9388687, 11949238, 13412410, 18777374, 29873095, 46943435, 59746190, 65720809, 93886870, 131441618, 328604045, 657208090]

約数ペア:

[(1, 657208090), (2, 328604045), (5, 131441618), (7, 93886870), (10, 65720809), (11, 59746190), (14, 46943435), (22, 29873095), (35, 18777374), (49, 13412410), (55, 11949238), (70, 9388687), (77, 8535170), (98, 6706205), (110, 5974619), (154, 4267585), (245, 2682482), (385, 1707034), (490, 1341241), (539, 1219310), (770, 853517), (1078, 609655), (2695, 243862), (5390, 121931)]