56147875

素因数分解:

$5^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 83229120

約数和(自身を除く): 27081245

約数列:

[1, 5, 7, 25, 35, 49, 89, 103, 125, 175, 245, 445, 515, 623, 721, 875, 1225, 2225, 2575, 3115, 3605, 4361, 5047, 6125, 9167, 11125, 12875, 15575, 18025, 21805, 25235, 45835, 64169, 77875, 90125, 109025, 126175, 229175, 320845, 449183, 545125, 630875, 1145875, 1604225, 2245915, 8021125, 11229575, 56147875]

約数ペア:

[(1, 56147875), (5, 11229575), (7, 8021125), (25, 2245915), (35, 1604225), (49, 1145875), (89, 630875), (103, 545125), (125, 449183), (175, 320845), (245, 229175), (445, 126175), (515, 109025), (623, 90125), (721, 77875), (875, 64169), (1225, 45835), (2225, 25235), (2575, 21805), (3115, 18025), (3605, 15575), (4361, 12875), (5047, 11125), (6125, 9167)]