208783960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1279}}^1$

素因数の和:1361

約数の個数: 128

約数和(自身を含む): 597196800

約数和(自身を除く): 388412840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 53, 55, 56, 70, 77, 88, 106, 110, 140, 154, 212, 220, 265, 280, 308, 371, 385, 424, 440, 530, 583, 616, 742, 770, 1060, 1166, 1279, 1484, 1540, 1855, 2120, 2332, 2558, 2915, 2968, 3080, 3710, 4081, 4664, 5116, 5830, 6395, 7420, 8162, 8953, 10232, 11660, 12790, 14069, 14840, 16324, 17906, 20405, 23320, 25580, 28138, 32648, 35812, 40810, 44765, 51160, 56276, 67787, 70345, 71624, 81620, 89530, 98483, 112552, 135574, 140690, 163240, 179060, 196966, 271148, 281380, 338935, 358120, 393932, 474509, 492415, 542296, 562760, 677870, 745657, 787864, 949018, 984830, 1355740, 1491314, 1898036, 1969660, 2372545, 2711480, 2982628, 3728285, 3796072, 3939320, 4745090, 5219599, 5965256, 7456570, 9490180, 10439198, 14913140, 18980360, 20878396, 26097995, 29826280, 41756792, 52195990, 104391980, 208783960]

約数ペア:

[(1, 208783960), (2, 104391980), (4, 52195990), (5, 41756792), (7, 29826280), (8, 26097995), (10, 20878396), (11, 18980360), (14, 14913140), (20, 10439198), (22, 9490180), (28, 7456570), (35, 5965256), (40, 5219599), (44, 4745090), (53, 3939320), (55, 3796072), (56, 3728285), (70, 2982628), (77, 2711480), (88, 2372545), (106, 1969660), (110, 1898036), (140, 1491314), (154, 1355740), (212, 984830), (220, 949018), (265, 787864), (280, 745657), (308, 677870), (371, 562760), (385, 542296), (424, 492415), (440, 474509), (530, 393932), (583, 358120), (616, 338935), (742, 281380), (770, 271148), (1060, 196966), (1166, 179060), (1279, 163240), (1484, 140690), (1540, 135574), (1855, 112552), (2120, 98483), (2332, 89530), (2558, 81620), (2915, 71624), (2968, 70345), (3080, 67787), (3710, 56276), (4081, 51160), (4664, 44765), (5116, 40810), (5830, 35812), (6395, 32648), (7420, 28138), (8162, 25580), (8953, 23320), (10232, 20405), (11660, 17906), (12790, 16324), (14069, 14840)]