209188784

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:730

約数の個数: 80

約数和(自身を含む): 491040000

約数和(自身を除く): 281851216

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 197, 266, 304, 394, 499, 532, 788, 998, 1064, 1379, 1576, 1996, 2128, 2758, 3152, 3493, 3743, 3992, 5516, 6986, 7486, 7984, 9481, 11032, 13972, 14972, 18962, 22064, 26201, 27944, 29944, 37924, 52402, 55888, 59888, 66367, 75848, 98303, 104804, 132734, 151696, 196606, 209608, 265468, 393212, 419216, 530936, 688121, 786424, 1061872, 1376242, 1572848, 1867757, 2752484, 3735514, 5504968, 7471028, 11009936, 13074299, 14942056, 26148598, 29884112, 52297196, 104594392, 209188784]

約数ペア:

[(1, 209188784), (2, 104594392), (4, 52297196), (7, 29884112), (8, 26148598), (14, 14942056), (16, 13074299), (19, 11009936), (28, 7471028), (38, 5504968), (56, 3735514), (76, 2752484), (112, 1867757), (133, 1572848), (152, 1376242), (197, 1061872), (266, 786424), (304, 688121), (394, 530936), (499, 419216), (532, 393212), (788, 265468), (998, 209608), (1064, 196606), (1379, 151696), (1576, 132734), (1996, 104804), (2128, 98303), (2758, 75848), (3152, 66367), (3493, 59888), (3743, 55888), (3992, 52402), (5516, 37924), (6986, 29944), (7486, 27944), (7984, 26201), (9481, 22064), (11032, 18962), (13972, 14972)]