491342680

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{311}}^2$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 1117820160

約数和(自身を除く): 626477480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 311, 508, 622, 635, 1016, 1244, 1270, 1555, 2488, 2540, 3110, 5080, 6220, 12440, 39497, 78994, 96721, 157988, 193442, 197485, 315976, 386884, 394970, 483605, 773768, 789940, 967210, 1579880, 1934420, 3868840, 12283567, 24567134, 49134268, 61417835, 98268536, 122835670, 245671340, 491342680]

約数ペア:

[(1, 491342680), (2, 245671340), (4, 122835670), (5, 98268536), (8, 61417835), (10, 49134268), (20, 24567134), (40, 12283567), (127, 3868840), (254, 1934420), (311, 1579880), (508, 967210), (622, 789940), (635, 773768), (1016, 483605), (1244, 394970), (1270, 386884), (1555, 315976), (2488, 197485), (2540, 193442), (3110, 157988), (5080, 96721), (6220, 78994), (12440, 39497)]