1539400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 3682800

約数和(自身を除く): 2143400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 179, 200, 215, 344, 358, 430, 716, 860, 895, 1075, 1432, 1720, 1790, 2150, 3580, 4300, 4475, 7160, 7697, 8600, 8950, 15394, 17900, 30788, 35800, 38485, 61576, 76970, 153940, 192425, 307880, 384850, 769700, 1539400]

約数ペア:

[(1, 1539400), (2, 769700), (4, 384850), (5, 307880), (8, 192425), (10, 153940), (20, 76970), (25, 61576), (40, 38485), (43, 35800), (50, 30788), (86, 17900), (100, 15394), (172, 8950), (179, 8600), (200, 7697), (215, 7160), (344, 4475), (358, 4300), (430, 3580), (716, 2150), (860, 1790), (895, 1720), (1075, 1432)]