210819310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{9949}}^1$

素因数の和:10132

約数の個数: 32

約数和(自身を含む): 411213600

約数和(自身を除く): 200394290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 4238, 9949, 10595, 19898, 21190, 49745, 99490, 129337, 258674, 646685, 1293370, 1621687, 3243374, 8108435, 16216870, 21081931, 42163862, 105409655, 210819310]

約数ペア:

[(1, 210819310), (2, 105409655), (5, 42163862), (10, 21081931), (13, 16216870), (26, 8108435), (65, 3243374), (130, 1621687), (163, 1293370), (326, 646685), (815, 258674), (1630, 129337), (2119, 99490), (4238, 49745), (9949, 21190), (10595, 19898)]