212715580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 581837760

約数和(自身を除く): 369122180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 55, 58, 70, 77, 110, 116, 121, 140, 145, 154, 203, 220, 242, 290, 308, 319, 385, 406, 433, 484, 580, 605, 638, 770, 812, 847, 866, 1015, 1210, 1276, 1540, 1595, 1694, 1732, 2030, 2165, 2233, 2420, 3031, 3190, 3388, 3509, 4060, 4235, 4330, 4466, 4763, 6062, 6380, 7018, 8470, 8660, 8932, 9526, 11165, 12124, 12557, 14036, 15155, 16940, 17545, 19052, 22330, 23815, 24563, 25114, 30310, 33341, 35090, 44660, 47630, 49126, 50228, 52393, 60620, 62785, 66682, 70180, 87899, 95260, 98252, 104786, 122815, 125570, 133364, 138127, 166705, 175798, 209572, 245630, 251140, 261965, 276254, 333410, 351596, 366751, 439495, 491260, 523930, 552508, 666820, 690635, 733502, 878990, 966889, 1047860, 1381270, 1467004, 1519397, 1757980, 1833755, 1933778, 2762540, 3038794, 3667510, 3867556, 4834445, 6077588, 7335020, 7596985, 9668890, 10635779, 15193970, 19337780, 21271558, 30387940, 42543116, 53178895, 106357790, 212715580]

約数ペア:

[(1, 212715580), (2, 106357790), (4, 53178895), (5, 42543116), (7, 30387940), (10, 21271558), (11, 19337780), (14, 15193970), (20, 10635779), (22, 9668890), (28, 7596985), (29, 7335020), (35, 6077588), (44, 4834445), (55, 3867556), (58, 3667510), (70, 3038794), (77, 2762540), (110, 1933778), (116, 1833755), (121, 1757980), (140, 1519397), (145, 1467004), (154, 1381270), (203, 1047860), (220, 966889), (242, 878990), (290, 733502), (308, 690635), (319, 666820), (385, 552508), (406, 523930), (433, 491260), (484, 439495), (580, 366751), (605, 351596), (638, 333410), (770, 276254), (812, 261965), (847, 251140), (866, 245630), (1015, 209572), (1210, 175798), (1276, 166705), (1540, 138127), (1595, 133364), (1694, 125570), (1732, 122815), (2030, 104786), (2165, 98252), (2233, 95260), (2420, 87899), (3031, 70180), (3190, 66682), (3388, 62785), (3509, 60620), (4060, 52393), (4235, 50228), (4330, 49126), (4466, 47630), (4763, 44660), (6062, 35090), (6380, 33341), (7018, 30310), (8470, 25114), (8660, 24563), (8932, 23815), (9526, 22330), (11165, 19052), (12124, 17545), (12557, 16940), (14036, 15155)]