85194620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3089}}^1$

素因数の和:3302

約数の個数: 48

約数和(自身を含む): 205571520

約数和(自身を除く): 120376900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3089, 3940, 5516, 6178, 6895, 12356, 13790, 15445, 21623, 27580, 30890, 43246, 61780, 86492, 108115, 216230, 432460, 608533, 1217066, 2434132, 3042665, 4259731, 6085330, 8519462, 12170660, 17038924, 21298655, 42597310, 85194620]

約数ペア:

[(1, 85194620), (2, 42597310), (4, 21298655), (5, 17038924), (7, 12170660), (10, 8519462), (14, 6085330), (20, 4259731), (28, 3042665), (35, 2434132), (70, 1217066), (140, 608533), (197, 432460), (394, 216230), (788, 108115), (985, 86492), (1379, 61780), (1970, 43246), (2758, 30890), (3089, 27580), (3940, 21623), (5516, 15445), (6178, 13790), (6895, 12356)]