199324360

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{38039}}^1$

素因数の和:38181

約数の個数: 32

約数和(自身を含む): 451915200

約数和(自身を除く): 252590840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 38039, 76078, 152156, 190195, 304312, 380390, 760780, 1521560, 4983109, 9966218, 19932436, 24915545, 39864872, 49831090, 99662180, 199324360]

約数ペア:

[(1, 199324360), (2, 99662180), (4, 49831090), (5, 39864872), (8, 24915545), (10, 19932436), (20, 9966218), (40, 4983109), (131, 1521560), (262, 760780), (524, 380390), (655, 304312), (1048, 190195), (1310, 152156), (2620, 76078), (5240, 38039)]