201709220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{138157}}^1$

素因数の和:138239

約数の個数: 24

約数和(自身を含む): 429395064

約数和(自身を除く): 227685844

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 138157, 276314, 552628, 690785, 1381570, 2763140, 10085461, 20170922, 40341844, 50427305, 100854610, 201709220]

約数ペア:

[(1, 201709220), (2, 100854610), (4, 50427305), (5, 40341844), (10, 20170922), (20, 10085461), (73, 2763140), (146, 1381570), (292, 690785), (365, 552628), (730, 276314), (1460, 138157)]