320120476

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 616420000

約数和(自身を除く): 296299524

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 169, 292, 338, 499, 676, 949, 998, 1898, 1996, 2197, 3796, 4394, 6487, 8788, 12337, 12974, 24674, 25948, 36427, 49348, 72854, 84331, 145708, 160381, 168662, 320762, 337324, 473551, 641524, 947102, 1096303, 1894204, 2192606, 4385212, 6156163, 12312326, 24624652, 80030119, 160060238, 320120476]

約数ペア:

[(1, 320120476), (2, 160060238), (4, 80030119), (13, 24624652), (26, 12312326), (52, 6156163), (73, 4385212), (146, 2192606), (169, 1894204), (292, 1096303), (338, 947102), (499, 641524), (676, 473551), (949, 337324), (998, 320762), (1898, 168662), (1996, 160381), (2197, 145708), (3796, 84331), (4394, 72854), (6487, 49348), (8788, 36427), (12337, 25948), (12974, 24674)]