9971220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23741}}^1$

素因数の和:23760

約数の個数: 48

約数和(自身を含む): 31909248

約数和(自身を除く): 21938028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 23741, 47482, 71223, 94964, 118705, 142446, 166187, 237410, 284892, 332374, 356115, 474820, 498561, 664748, 712230, 830935, 997122, 1424460, 1661870, 1994244, 2492805, 3323740, 4985610, 9971220]

約数ペア:

[(1, 9971220), (2, 4985610), (3, 3323740), (4, 2492805), (5, 1994244), (6, 1661870), (7, 1424460), (10, 997122), (12, 830935), (14, 712230), (15, 664748), (20, 498561), (21, 474820), (28, 356115), (30, 332374), (35, 284892), (42, 237410), (60, 166187), (70, 142446), (84, 118705), (105, 94964), (140, 71223), (210, 47482), (420, 23741)]