345852040

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{9491}}^1$

素因数の和:10413

約数の個数: 32

約数和(自身を含む): 779103360

約数和(自身を除く): 433251320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 3644, 4555, 7288, 9110, 9491, 18220, 18982, 36440, 37964, 47455, 75928, 94910, 189820, 379640, 8646301, 17292602, 34585204, 43231505, 69170408, 86463010, 172926020, 345852040]

約数ペア:

[(1, 345852040), (2, 172926020), (4, 86463010), (5, 69170408), (8, 43231505), (10, 34585204), (20, 17292602), (40, 8646301), (911, 379640), (1822, 189820), (3644, 94910), (4555, 75928), (7288, 47455), (9110, 37964), (9491, 36440), (18220, 18982)]