498800

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:90

約数の個数: 60

約数和(自身を含む): 1268520

約数和(自身を除く): 769720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 43, 50, 58, 80, 86, 100, 116, 145, 172, 200, 215, 232, 290, 344, 400, 430, 464, 580, 688, 725, 860, 1075, 1160, 1247, 1450, 1720, 2150, 2320, 2494, 2900, 3440, 4300, 4988, 5800, 6235, 8600, 9976, 11600, 12470, 17200, 19952, 24940, 31175, 49880, 62350, 99760, 124700, 249400, 498800]

約数ペア:

[(1, 498800), (2, 249400), (4, 124700), (5, 99760), (8, 62350), (10, 49880), (16, 31175), (20, 24940), (25, 19952), (29, 17200), (40, 12470), (43, 11600), (50, 9976), (58, 8600), (80, 6235), (86, 5800), (100, 4988), (116, 4300), (145, 3440), (172, 2900), (200, 2494), (215, 2320), (232, 2150), (290, 1720), (344, 1450), (400, 1247), (430, 1160), (464, 1075), (580, 860), (688, 725)]