1208900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 3291456

約数和(自身を除く): 2082556

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 157, 175, 220, 275, 308, 314, 350, 385, 550, 628, 700, 770, 785, 1099, 1100, 1540, 1570, 1727, 1925, 2198, 3140, 3454, 3850, 3925, 4396, 5495, 6908, 7700, 7850, 8635, 10990, 12089, 15700, 17270, 21980, 24178, 27475, 34540, 43175, 48356, 54950, 60445, 86350, 109900, 120890, 172700, 241780, 302225, 604450, 1208900]

約数ペア:

[(1, 1208900), (2, 604450), (4, 302225), (5, 241780), (7, 172700), (10, 120890), (11, 109900), (14, 86350), (20, 60445), (22, 54950), (25, 48356), (28, 43175), (35, 34540), (44, 27475), (50, 24178), (55, 21980), (70, 17270), (77, 15700), (100, 12089), (110, 10990), (140, 8635), (154, 7850), (157, 7700), (175, 6908), (220, 5495), (275, 4396), (308, 3925), (314, 3850), (350, 3454), (385, 3140), (550, 2198), (628, 1925), (700, 1727), (770, 1570), (785, 1540), (1099, 1100)]