212209540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{145349}}^1$

素因数の和:145431

約数の個数: 24

約数和(自身を含む): 451747800

約数和(自身を除く): 239538260

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 145349, 290698, 581396, 726745, 1453490, 2906980, 10610477, 21220954, 42441908, 53052385, 106104770, 212209540]

約数ペア:

[(1, 212209540), (2, 106104770), (4, 53052385), (5, 42441908), (10, 21220954), (20, 10610477), (73, 2906980), (146, 1453490), (292, 726745), (365, 581396), (730, 290698), (1460, 145349)]