7497980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1093}}^1$

素因数の和:1123

約数の個数: 48

約数和(自身を含む): 18379200

約数和(自身を除く): 10881220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1093, 1372, 1715, 2186, 3430, 4372, 5465, 6860, 7651, 10930, 15302, 21860, 30604, 38255, 53557, 76510, 107114, 153020, 214228, 267785, 374899, 535570, 749798, 1071140, 1499596, 1874495, 3748990, 7497980]

約数ペア:

[(1, 7497980), (2, 3748990), (4, 1874495), (5, 1499596), (7, 1071140), (10, 749798), (14, 535570), (20, 374899), (28, 267785), (35, 214228), (49, 153020), (70, 107114), (98, 76510), (140, 53557), (196, 38255), (245, 30604), (343, 21860), (490, 15302), (686, 10930), (980, 7651), (1093, 6860), (1372, 5465), (1715, 4372), (2186, 3430)]