4890550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 10579680

約数和(自身を除く): 5689130

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 89, 157, 175, 178, 314, 350, 445, 623, 785, 890, 1099, 1246, 1570, 2198, 2225, 3115, 3925, 4450, 5495, 6230, 7850, 10990, 13973, 15575, 27475, 27946, 31150, 54950, 69865, 97811, 139730, 195622, 349325, 489055, 698650, 978110, 2445275, 4890550]

約数ペア:

[(1, 4890550), (2, 2445275), (5, 978110), (7, 698650), (10, 489055), (14, 349325), (25, 195622), (35, 139730), (50, 97811), (70, 69865), (89, 54950), (157, 31150), (175, 27946), (178, 27475), (314, 15575), (350, 13973), (445, 10990), (623, 7850), (785, 6230), (890, 5495), (1099, 4450), (1246, 3925), (1570, 3115), (2198, 2225)]