91045820

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 194900160

約数和(自身を除く): 103854340

約数列:

[1, 2, 4, 5, 10, 20, 103, 193, 206, 229, 386, 412, 458, 515, 772, 916, 965, 1030, 1145, 1930, 2060, 2290, 3860, 4580, 19879, 23587, 39758, 44197, 47174, 79516, 88394, 94348, 99395, 117935, 176788, 198790, 220985, 235870, 397580, 441970, 471740, 883940, 4552291, 9104582, 18209164, 22761455, 45522910, 91045820]

約数ペア:

[(1, 91045820), (2, 45522910), (4, 22761455), (5, 18209164), (10, 9104582), (20, 4552291), (103, 883940), (193, 471740), (206, 441970), (229, 397580), (386, 235870), (412, 220985), (458, 198790), (515, 176788), (772, 117935), (916, 99395), (965, 94348), (1030, 88394), (1145, 79516), (1930, 47174), (2060, 44197), (2290, 39758), (3860, 23587), (4580, 19879)]