139187600

素因数分解:

$2^4\times 5^2\times {\mathrm{347969}}^1$

素因数の和:347987

約数の個数: 30

約数和(自身を含む): 334399170

約数和(自身を除く): 195211570

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 347969, 695938, 1391876, 1739845, 2783752, 3479690, 5567504, 6959380, 8699225, 13918760, 17398450, 27837520, 34796900, 69593800, 139187600]

約数ペア:

[(1, 139187600), (2, 69593800), (4, 34796900), (5, 27837520), (8, 17398450), (10, 13918760), (16, 8699225), (20, 6959380), (25, 5567504), (40, 3479690), (50, 2783752), (80, 1739845), (100, 1391876), (200, 695938), (400, 347969)]