678792010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{141121}}^1$

素因数の和:141178

約数の個数: 32

約数和(自身を含む): 1351384272

約数和(自身を除く): 672592262

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 141121, 282242, 705605, 1411210, 1834573, 3669146, 5221477, 9172865, 10442954, 18345730, 26107385, 52214770, 67879201, 135758402, 339396005, 678792010]

約数ペア:

[(1, 678792010), (2, 339396005), (5, 135758402), (10, 67879201), (13, 52214770), (26, 26107385), (37, 18345730), (65, 10442954), (74, 9172865), (130, 5221477), (185, 3669146), (370, 1834573), (481, 1411210), (962, 705605), (2405, 282242), (4810, 141121)]