4505900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 11520096

約数和(自身を除く): 7014196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 140, 157, 164, 175, 205, 287, 314, 350, 410, 574, 628, 700, 785, 820, 1025, 1099, 1148, 1435, 1570, 2050, 2198, 2870, 3140, 3925, 4100, 4396, 5495, 5740, 6437, 7175, 7850, 10990, 12874, 14350, 15700, 21980, 25748, 27475, 28700, 32185, 45059, 54950, 64370, 90118, 109900, 128740, 160925, 180236, 225295, 321850, 450590, 643700, 901180, 1126475, 2252950, 4505900]

約数ペア:

[(1, 4505900), (2, 2252950), (4, 1126475), (5, 901180), (7, 643700), (10, 450590), (14, 321850), (20, 225295), (25, 180236), (28, 160925), (35, 128740), (41, 109900), (50, 90118), (70, 64370), (82, 54950), (100, 45059), (140, 32185), (157, 28700), (164, 27475), (175, 25748), (205, 21980), (287, 15700), (314, 14350), (350, 12874), (410, 10990), (574, 7850), (628, 7175), (700, 6437), (785, 5740), (820, 5495), (1025, 4396), (1099, 4100), (1148, 3925), (1435, 3140), (1570, 2870), (2050, 2198)]