72049000

素因数分解:

$2^3\times 5^3\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:791

約数の個数: 64

約数和(自身を含む): 170398800

約数和(自身を除く): 98349800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 125, 200, 218, 250, 436, 500, 545, 661, 872, 1000, 1090, 1322, 2180, 2644, 2725, 3305, 4360, 5288, 5450, 6610, 10900, 13220, 13625, 16525, 21800, 26440, 27250, 33050, 54500, 66100, 72049, 82625, 109000, 132200, 144098, 165250, 288196, 330500, 360245, 576392, 661000, 720490, 1440980, 1801225, 2881960, 3602450, 7204900, 9006125, 14409800, 18012250, 36024500, 72049000]

約数ペア:

[(1, 72049000), (2, 36024500), (4, 18012250), (5, 14409800), (8, 9006125), (10, 7204900), (20, 3602450), (25, 2881960), (40, 1801225), (50, 1440980), (100, 720490), (109, 661000), (125, 576392), (200, 360245), (218, 330500), (250, 288196), (436, 165250), (500, 144098), (545, 132200), (661, 109000), (872, 82625), (1000, 72049), (1090, 66100), (1322, 54500), (2180, 33050), (2644, 27250), (2725, 26440), (3305, 21800), (4360, 16525), (5288, 13625), (5450, 13220), (6610, 10900)]