428200

素因数分解:

$2^3\times 5^2\times {\mathrm{2141}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 996030

約数和(自身を除く): 567830

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 2141, 4282, 8564, 10705, 17128, 21410, 42820, 53525, 85640, 107050, 214100, 428200]

約数ペア:

[(1, 428200), (2, 214100), (4, 107050), (5, 85640), (8, 53525), (10, 42820), (20, 21410), (25, 17128), (40, 10705), (50, 8564), (100, 4282), (200, 2141)]