685491010

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{493159}}^1$

素因数の和:493305

約数の個数: 16

約数和(自身を含む): 1242763200

約数和(自身を除く): 557272190

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 493159, 986318, 2465795, 4931590, 68549101, 137098202, 342745505, 685491010]

約数ペア:

[(1, 685491010), (2, 342745505), (5, 137098202), (10, 68549101), (139, 4931590), (278, 2465795), (695, 986318), (1390, 493159)]