199331560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{35851}}^1$

素因数の和:36001

約数の個数: 32

約数和(自身を含む): 451735200

約数和(自身を除く): 252403640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 35851, 71702, 143404, 179255, 286808, 358510, 717020, 1434040, 4983289, 9966578, 19933156, 24916445, 39866312, 49832890, 99665780, 199331560]

約数ペア:

[(1, 199331560), (2, 99665780), (4, 49832890), (5, 39866312), (8, 24916445), (10, 19933156), (20, 9966578), (40, 4983289), (139, 1434040), (278, 717020), (556, 358510), (695, 286808), (1112, 179255), (1390, 143404), (2780, 71702), (5560, 35851)]