205507456

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:780

約数の個数: 128

約数和(自身を含む): 528768000

約数和(自身を除く): 323260544

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 32, 44, 56, 58, 64, 77, 88, 112, 116, 128, 154, 176, 203, 224, 232, 308, 319, 352, 406, 448, 464, 616, 638, 704, 719, 812, 896, 928, 1232, 1276, 1408, 1438, 1624, 1856, 2233, 2464, 2552, 2876, 3248, 3712, 4466, 4928, 5033, 5104, 5752, 6496, 7909, 8932, 9856, 10066, 10208, 11504, 12992, 15818, 17864, 20132, 20416, 20851, 23008, 25984, 31636, 35728, 40264, 40832, 41702, 46016, 55363, 63272, 71456, 80528, 83404, 92032, 110726, 126544, 142912, 145957, 161056, 166808, 221452, 229361, 253088, 285824, 291914, 322112, 333616, 442904, 458722, 506176, 583828, 644224, 667232, 885808, 917444, 1012352, 1167656, 1334464, 1605527, 1771616, 1834888, 2335312, 2668928, 3211054, 3543232, 3669776, 4670624, 6422108, 7086464, 7339552, 9341248, 12844216, 14679104, 18682496, 25688432, 29358208, 51376864, 102753728, 205507456]

約数ペア:

[(1, 205507456), (2, 102753728), (4, 51376864), (7, 29358208), (8, 25688432), (11, 18682496), (14, 14679104), (16, 12844216), (22, 9341248), (28, 7339552), (29, 7086464), (32, 6422108), (44, 4670624), (56, 3669776), (58, 3543232), (64, 3211054), (77, 2668928), (88, 2335312), (112, 1834888), (116, 1771616), (128, 1605527), (154, 1334464), (176, 1167656), (203, 1012352), (224, 917444), (232, 885808), (308, 667232), (319, 644224), (352, 583828), (406, 506176), (448, 458722), (464, 442904), (616, 333616), (638, 322112), (704, 291914), (719, 285824), (812, 253088), (896, 229361), (928, 221452), (1232, 166808), (1276, 161056), (1408, 145957), (1438, 142912), (1624, 126544), (1856, 110726), (2233, 92032), (2464, 83404), (2552, 80528), (2876, 71456), (3248, 63272), (3712, 55363), (4466, 46016), (4928, 41702), (5033, 40832), (5104, 40264), (5752, 35728), (6496, 31636), (7909, 25984), (8932, 23008), (9856, 20851), (10066, 20416), (10208, 20132), (11504, 17864), (12992, 15818)]