19028200

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1069}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 44779500

約数和(自身を除く): 25751300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1069, 1780, 2138, 2225, 3560, 4276, 4450, 5345, 8552, 8900, 10690, 17800, 21380, 26725, 42760, 53450, 95141, 106900, 190282, 213800, 380564, 475705, 761128, 951410, 1902820, 2378525, 3805640, 4757050, 9514100, 19028200]

約数ペア:

[(1, 19028200), (2, 9514100), (4, 4757050), (5, 3805640), (8, 2378525), (10, 1902820), (20, 951410), (25, 761128), (40, 475705), (50, 380564), (89, 213800), (100, 190282), (178, 106900), (200, 95141), (356, 53450), (445, 42760), (712, 26725), (890, 21380), (1069, 17800), (1780, 10690), (2138, 8900), (2225, 8552), (3560, 5345), (4276, 4450)]