278028400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:579

約数の個数: 120

約数和(自身を含む): 726731264

約数和(自身を除く): 448702864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 127, 130, 200, 208, 254, 260, 325, 400, 421, 508, 520, 635, 650, 842, 1016, 1040, 1270, 1300, 1651, 1684, 2032, 2105, 2540, 2600, 3175, 3302, 3368, 4210, 5080, 5200, 5473, 6350, 6604, 6736, 8255, 8420, 10160, 10525, 10946, 12700, 13208, 16510, 16840, 21050, 21892, 25400, 26416, 27365, 33020, 33680, 41275, 42100, 43784, 50800, 53467, 54730, 66040, 82550, 84200, 87568, 106934, 109460, 132080, 136825, 165100, 168400, 213868, 218920, 267335, 273650, 330200, 427736, 437840, 534670, 547300, 660400, 695071, 855472, 1069340, 1094600, 1336675, 1390142, 2138680, 2189200, 2673350, 2780284, 3475355, 4277360, 5346700, 5560568, 6950710, 10693400, 11121136, 13901420, 17376775, 21386800, 27802840, 34753550, 55605680, 69507100, 139014200, 278028400]

約数ペア:

[(1, 278028400), (2, 139014200), (4, 69507100), (5, 55605680), (8, 34753550), (10, 27802840), (13, 21386800), (16, 17376775), (20, 13901420), (25, 11121136), (26, 10693400), (40, 6950710), (50, 5560568), (52, 5346700), (65, 4277360), (80, 3475355), (100, 2780284), (104, 2673350), (127, 2189200), (130, 2138680), (200, 1390142), (208, 1336675), (254, 1094600), (260, 1069340), (325, 855472), (400, 695071), (421, 660400), (508, 547300), (520, 534670), (635, 437840), (650, 427736), (842, 330200), (1016, 273650), (1040, 267335), (1270, 218920), (1300, 213868), (1651, 168400), (1684, 165100), (2032, 136825), (2105, 132080), (2540, 109460), (2600, 106934), (3175, 87568), (3302, 84200), (3368, 82550), (4210, 66040), (5080, 54730), (5200, 53467), (5473, 50800), (6350, 43784), (6604, 42100), (6736, 41275), (8255, 33680), (8420, 33020), (10160, 27365), (10525, 26416), (10946, 25400), (12700, 21892), (13208, 21050), (16510, 16840)]