280983472

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1741}}^1$

素因数の和:1898

約数の個数: 80

約数和(自身を含む): 684313344

約数和(自身を除く): 403329872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 131, 154, 176, 262, 308, 524, 616, 917, 1048, 1232, 1441, 1741, 1834, 2096, 2882, 3482, 3668, 5764, 6964, 7336, 10087, 11528, 12187, 13928, 14672, 19151, 20174, 23056, 24374, 27856, 38302, 40348, 48748, 76604, 80696, 97496, 134057, 153208, 161392, 194992, 228071, 268114, 306416, 456142, 536228, 912284, 1072456, 1596497, 1824568, 2144912, 2508781, 3192994, 3649136, 5017562, 6385988, 10035124, 12771976, 17561467, 20070248, 25543952, 35122934, 40140496, 70245868, 140491736, 280983472]

約数ペア:

[(1, 280983472), (2, 140491736), (4, 70245868), (7, 40140496), (8, 35122934), (11, 25543952), (14, 20070248), (16, 17561467), (22, 12771976), (28, 10035124), (44, 6385988), (56, 5017562), (77, 3649136), (88, 3192994), (112, 2508781), (131, 2144912), (154, 1824568), (176, 1596497), (262, 1072456), (308, 912284), (524, 536228), (616, 456142), (917, 306416), (1048, 268114), (1232, 228071), (1441, 194992), (1741, 161392), (1834, 153208), (2096, 134057), (2882, 97496), (3482, 80696), (3668, 76604), (5764, 48748), (6964, 40348), (7336, 38302), (10087, 27856), (11528, 24374), (12187, 23056), (13928, 20174), (14672, 19151)]