861200

素因数分解:

$2^4\times 5^2\times {\mathrm{2153}}^1$

素因数の和:2171

約数の個数: 30

約数和(自身を含む): 2069994

約数和(自身を除く): 1208794

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2153, 4306, 8612, 10765, 17224, 21530, 34448, 43060, 53825, 86120, 107650, 172240, 215300, 430600, 861200]

約数ペア:

[(1, 861200), (2, 430600), (4, 215300), (5, 172240), (8, 107650), (10, 86120), (16, 53825), (20, 43060), (25, 34448), (40, 21530), (50, 17224), (80, 10765), (100, 8612), (200, 4306), (400, 2153)]