208311180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4099}}^1$

素因数の和:4140

約数の個数: 144

約数和(自身を含む): 732883200

約数和(自身を除く): 524572020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 3388, 3630, 4099, 4235, 4620, 5082, 7260, 8198, 8470, 10164, 12297, 12705, 16396, 16940, 20495, 24594, 25410, 28693, 40990, 45089, 49188, 50820, 57386, 61485, 81980, 86079, 90178, 114772, 122970, 135267, 143465, 172158, 180356, 225445, 245940, 270534, 286930, 315623, 344316, 430395, 450890, 495979, 541068, 573860, 631246, 676335, 860790, 901780, 946869, 991958, 1262492, 1352670, 1487937, 1578115, 1721580, 1893738, 1983916, 2479895, 2705340, 2975874, 3156230, 3471853, 3787476, 4734345, 4959790, 5951748, 6312460, 6943706, 7439685, 9468690, 9919580, 10415559, 13887412, 14879370, 17359265, 18937380, 20831118, 29758740, 34718530, 41662236, 52077795, 69437060, 104155590, 208311180]

約数ペア:

[(1, 208311180), (2, 104155590), (3, 69437060), (4, 52077795), (5, 41662236), (6, 34718530), (7, 29758740), (10, 20831118), (11, 18937380), (12, 17359265), (14, 14879370), (15, 13887412), (20, 10415559), (21, 9919580), (22, 9468690), (28, 7439685), (30, 6943706), (33, 6312460), (35, 5951748), (42, 4959790), (44, 4734345), (55, 3787476), (60, 3471853), (66, 3156230), (70, 2975874), (77, 2705340), (84, 2479895), (105, 1983916), (110, 1893738), (121, 1721580), (132, 1578115), (140, 1487937), (154, 1352670), (165, 1262492), (210, 991958), (220, 946869), (231, 901780), (242, 860790), (308, 676335), (330, 631246), (363, 573860), (385, 541068), (420, 495979), (462, 450890), (484, 430395), (605, 344316), (660, 315623), (726, 286930), (770, 270534), (847, 245940), (924, 225445), (1155, 180356), (1210, 172158), (1452, 143465), (1540, 135267), (1694, 122970), (1815, 114772), (2310, 90178), (2420, 86079), (2541, 81980), (3388, 61485), (3630, 57386), (4099, 50820), (4235, 49188), (4620, 45089), (5082, 40990), (7260, 28693), (8198, 25410), (8470, 24594), (10164, 20495), (12297, 16940), (12705, 16396)]