206578640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 120

約数和(自身を含む): 530644608

約数和(自身を除く): 324065968

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 311, 361, 368, 380, 437, 460, 622, 722, 760, 874, 920, 1244, 1444, 1520, 1555, 1748, 1805, 1840, 2185, 2488, 2888, 3110, 3496, 3610, 4370, 4976, 5776, 5909, 6220, 6992, 7153, 7220, 8303, 8740, 11818, 12440, 14306, 14440, 16606, 17480, 23636, 24880, 28612, 28880, 29545, 33212, 34960, 35765, 41515, 47272, 57224, 59090, 66424, 71530, 83030, 94544, 112271, 114448, 118180, 132848, 135907, 143060, 166060, 224542, 236360, 271814, 286120, 332120, 449084, 472720, 543628, 561355, 572240, 664240, 679535, 898168, 1087256, 1122710, 1359070, 1796336, 2174512, 2245420, 2582233, 2718140, 4490840, 5164466, 5436280, 8981680, 10328932, 10872560, 12911165, 20657864, 25822330, 41315728, 51644660, 103289320, 206578640]

約数ペア:

[(1, 206578640), (2, 103289320), (4, 51644660), (5, 41315728), (8, 25822330), (10, 20657864), (16, 12911165), (19, 10872560), (20, 10328932), (23, 8981680), (38, 5436280), (40, 5164466), (46, 4490840), (76, 2718140), (80, 2582233), (92, 2245420), (95, 2174512), (115, 1796336), (152, 1359070), (184, 1122710), (190, 1087256), (230, 898168), (304, 679535), (311, 664240), (361, 572240), (368, 561355), (380, 543628), (437, 472720), (460, 449084), (622, 332120), (722, 286120), (760, 271814), (874, 236360), (920, 224542), (1244, 166060), (1444, 143060), (1520, 135907), (1555, 132848), (1748, 118180), (1805, 114448), (1840, 112271), (2185, 94544), (2488, 83030), (2888, 71530), (3110, 66424), (3496, 59090), (3610, 57224), (4370, 47272), (4976, 41515), (5776, 35765), (5909, 34960), (6220, 33212), (6992, 29545), (7153, 28880), (7220, 28612), (8303, 24880), (8740, 23636), (11818, 17480), (12440, 16606), (14306, 14440)]