731640140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{475091}}^1$

素因数の和:475118

約数の個数: 48

約数和(自身を含む): 1915570944

約数和(自身を除く): 1183930804

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 475091, 950182, 1900364, 2375455, 3325637, 4750910, 5226001, 6651274, 9501820, 10452002, 13302548, 16628185, 20904004, 26130005, 33256370, 36582007, 52260010, 66512740, 73164014, 104520020, 146328028, 182910035, 365820070, 731640140]

約数ペア:

[(1, 731640140), (2, 365820070), (4, 182910035), (5, 146328028), (7, 104520020), (10, 73164014), (11, 66512740), (14, 52260010), (20, 36582007), (22, 33256370), (28, 26130005), (35, 20904004), (44, 16628185), (55, 13302548), (70, 10452002), (77, 9501820), (110, 6651274), (140, 5226001), (154, 4750910), (220, 3325637), (308, 2375455), (385, 1900364), (770, 950182), (1540, 475091)]