9378740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 23245824

約数和(自身を除く): 13867084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2161, 2170, 4322, 4340, 8644, 10805, 15127, 21610, 30254, 43220, 60508, 66991, 75635, 133982, 151270, 267964, 302540, 334955, 468937, 669910, 937874, 1339820, 1875748, 2344685, 4689370, 9378740]

約数ペア:

[(1, 9378740), (2, 4689370), (4, 2344685), (5, 1875748), (7, 1339820), (10, 937874), (14, 669910), (20, 468937), (28, 334955), (31, 302540), (35, 267964), (62, 151270), (70, 133982), (124, 75635), (140, 66991), (155, 60508), (217, 43220), (310, 30254), (434, 21610), (620, 15127), (868, 10805), (1085, 8644), (2161, 4340), (2170, 4322)]