256932690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1223489}}^1$

素因数の和:1223506

約数の個数: 32

約数和(自身を含む): 704730240

約数和(自身を除く): 447797550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1223489, 2446978, 3670467, 6117445, 7340934, 8564423, 12234890, 17128846, 18352335, 25693269, 36704670, 42822115, 51386538, 85644230, 128466345, 256932690]

約数ペア:

[(1, 256932690), (2, 128466345), (3, 85644230), (5, 51386538), (6, 42822115), (7, 36704670), (10, 25693269), (14, 18352335), (15, 17128846), (21, 12234890), (30, 8564423), (35, 7340934), (42, 6117445), (70, 3670467), (105, 2446978), (210, 1223489)]