647350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{107}}^1$

素因数の和:141

約数の個数: 36

約数和(自身を含む): 1335852

約数和(自身を除く): 688502

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 107, 110, 121, 214, 242, 275, 535, 550, 605, 1070, 1177, 1210, 2354, 2675, 3025, 5350, 5885, 6050, 11770, 12947, 25894, 29425, 58850, 64735, 129470, 323675, 647350]

約数ペア:

[(1, 647350), (2, 323675), (5, 129470), (10, 64735), (11, 58850), (22, 29425), (25, 25894), (50, 12947), (55, 11770), (107, 6050), (110, 5885), (121, 5350), (214, 3025), (242, 2675), (275, 2354), (535, 1210), (550, 1177), (605, 1070)]