404960864

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 1021031424

約数和(自身を除く): 616070560

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 67, 77, 88, 112, 121, 134, 154, 176, 223, 224, 242, 268, 308, 352, 446, 469, 484, 536, 616, 737, 847, 892, 938, 968, 1072, 1232, 1474, 1561, 1694, 1784, 1876, 1936, 2144, 2453, 2464, 2948, 3122, 3388, 3568, 3752, 3872, 4906, 5159, 5896, 6244, 6776, 7136, 7504, 8107, 9812, 10318, 11792, 12488, 13552, 14941, 15008, 16214, 17171, 19624, 20636, 23584, 24976, 26983, 27104, 29882, 32428, 34342, 39248, 41272, 49952, 53966, 56749, 59764, 64856, 68684, 78496, 82544, 104587, 107932, 113498, 119528, 129712, 137368, 164351, 165088, 188881, 209174, 215864, 226996, 239056, 259424, 274736, 328702, 377762, 418348, 431728, 453992, 478112, 549472, 657404, 755524, 836696, 863456, 907984, 1150457, 1314808, 1511048, 1673392, 1807861, 1815968, 2300914, 2629616, 3022096, 3346784, 3615722, 4601828, 5259232, 6044192, 7231444, 9203656, 12655027, 14462888, 18407312, 25310054, 28925776, 36814624, 50620108, 57851552, 101240216, 202480432, 404960864]

約数ペア:

[(1, 404960864), (2, 202480432), (4, 101240216), (7, 57851552), (8, 50620108), (11, 36814624), (14, 28925776), (16, 25310054), (22, 18407312), (28, 14462888), (32, 12655027), (44, 9203656), (56, 7231444), (67, 6044192), (77, 5259232), (88, 4601828), (112, 3615722), (121, 3346784), (134, 3022096), (154, 2629616), (176, 2300914), (223, 1815968), (224, 1807861), (242, 1673392), (268, 1511048), (308, 1314808), (352, 1150457), (446, 907984), (469, 863456), (484, 836696), (536, 755524), (616, 657404), (737, 549472), (847, 478112), (892, 453992), (938, 431728), (968, 418348), (1072, 377762), (1232, 328702), (1474, 274736), (1561, 259424), (1694, 239056), (1784, 226996), (1876, 215864), (1936, 209174), (2144, 188881), (2453, 165088), (2464, 164351), (2948, 137368), (3122, 129712), (3388, 119528), (3568, 113498), (3752, 107932), (3872, 104587), (4906, 82544), (5159, 78496), (5896, 68684), (6244, 64856), (6776, 59764), (7136, 56749), (7504, 53966), (8107, 49952), (9812, 41272), (10318, 39248), (11792, 34342), (12488, 32428), (13552, 29882), (14941, 27104), (15008, 26983), (16214, 24976), (17171, 23584), (19624, 20636)]