188667780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{449209}}^1$

素因数の和:449228

約数の個数: 48

約数和(自身を含む): 603738240

約数和(自身を除く): 415070460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 449209, 898418, 1347627, 1796836, 2246045, 2695254, 3144463, 4492090, 5390508, 6288926, 6738135, 8984180, 9433389, 12577852, 13476270, 15722315, 18866778, 26952540, 31444630, 37733556, 47166945, 62889260, 94333890, 188667780]

約数ペア:

[(1, 188667780), (2, 94333890), (3, 62889260), (4, 47166945), (5, 37733556), (6, 31444630), (7, 26952540), (10, 18866778), (12, 15722315), (14, 13476270), (15, 12577852), (20, 9433389), (21, 8984180), (28, 6738135), (30, 6288926), (35, 5390508), (42, 4492090), (60, 3144463), (70, 2695254), (84, 2246045), (105, 1796836), (140, 1347627), (210, 898418), (420, 449209)]