218917510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{42841}}^1$

素因数の和:42928

約数の個数: 32

約数和(自身を含む): 456524352

約数和(自身を除く): 237606842

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 5110, 42841, 85682, 214205, 299887, 428410, 599774, 1499435, 2998870, 3127393, 6254786, 15636965, 21891751, 31273930, 43783502, 109458755, 218917510]

約数ペア:

[(1, 218917510), (2, 109458755), (5, 43783502), (7, 31273930), (10, 21891751), (14, 15636965), (35, 6254786), (70, 3127393), (73, 2998870), (146, 1499435), (365, 599774), (511, 428410), (730, 299887), (1022, 214205), (2555, 85682), (5110, 42841)]