313428760

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{18701}}^1$

素因数の和:19131

約数の個数: 32

約数和(自身を含む): 706935600

約数和(自身を除く): 393506840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 16760, 18701, 37402, 74804, 93505, 149608, 187010, 374020, 748040, 7835719, 15671438, 31342876, 39178595, 62685752, 78357190, 156714380, 313428760]

約数ペア:

[(1, 313428760), (2, 156714380), (4, 78357190), (5, 62685752), (8, 39178595), (10, 31342876), (20, 15671438), (40, 7835719), (419, 748040), (838, 374020), (1676, 187010), (2095, 149608), (3352, 93505), (4190, 74804), (8380, 37402), (16760, 18701)]