208786340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10729}}^1$

素因数の和:10884

約数の個数: 48

約数和(自身を含む): 504739200

約数和(自身を除く): 295952860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 10729, 19460, 21458, 42916, 53645, 75103, 107290, 150206, 214580, 300412, 375515, 751030, 1491331, 1502060, 2982662, 5965324, 7456655, 10439317, 14913310, 20878634, 29826620, 41757268, 52196585, 104393170, 208786340]

約数ペア:

[(1, 208786340), (2, 104393170), (4, 52196585), (5, 41757268), (7, 29826620), (10, 20878634), (14, 14913310), (20, 10439317), (28, 7456655), (35, 5965324), (70, 2982662), (139, 1502060), (140, 1491331), (278, 751030), (556, 375515), (695, 300412), (973, 214580), (1390, 150206), (1946, 107290), (2780, 75103), (3892, 53645), (4865, 42916), (9730, 21458), (10729, 19460)]