279984848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1660

約数の個数: 80

約数和(自身を含む): 645792000

約数和(自身を除く): 365807152

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 79, 88, 104, 143, 158, 176, 208, 286, 316, 572, 632, 869, 1027, 1144, 1264, 1549, 1738, 2054, 2288, 3098, 3476, 4108, 6196, 6952, 8216, 11297, 12392, 13904, 16432, 17039, 20137, 22594, 24784, 34078, 40274, 45188, 68156, 80548, 90376, 122371, 136312, 161096, 180752, 221507, 244742, 272624, 322192, 443014, 489484, 886028, 978968, 1346081, 1590823, 1772056, 1957936, 2692162, 3181646, 3544112, 5384324, 6363292, 10768648, 12726584, 17499053, 21537296, 25453168, 34998106, 69996212, 139992424, 279984848]

約数ペア:

[(1, 279984848), (2, 139992424), (4, 69996212), (8, 34998106), (11, 25453168), (13, 21537296), (16, 17499053), (22, 12726584), (26, 10768648), (44, 6363292), (52, 5384324), (79, 3544112), (88, 3181646), (104, 2692162), (143, 1957936), (158, 1772056), (176, 1590823), (208, 1346081), (286, 978968), (316, 886028), (572, 489484), (632, 443014), (869, 322192), (1027, 272624), (1144, 244742), (1264, 221507), (1549, 180752), (1738, 161096), (2054, 136312), (2288, 122371), (3098, 90376), (3476, 80548), (4108, 68156), (6196, 45188), (6952, 40274), (8216, 34078), (11297, 24784), (12392, 22594), (13904, 20137), (16432, 17039)]