213429080

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{5857}}^1$

素因数の和:6779

約数の個数: 32

約数和(自身を含む): 480824640

約数和(自身を除く): 267395560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 3644, 4555, 5857, 7288, 9110, 11714, 18220, 23428, 29285, 36440, 46856, 58570, 117140, 234280, 5335727, 10671454, 21342908, 26678635, 42685816, 53357270, 106714540, 213429080]

約数ペア:

[(1, 213429080), (2, 106714540), (4, 53357270), (5, 42685816), (8, 26678635), (10, 21342908), (20, 10671454), (40, 5335727), (911, 234280), (1822, 117140), (3644, 58570), (4555, 46856), (5857, 36440), (7288, 29285), (9110, 23428), (11714, 18220)]