208075580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 489888000

約数和(自身を除く): 281812420

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 47, 58, 68, 85, 94, 116, 145, 170, 188, 235, 290, 340, 449, 470, 493, 580, 799, 898, 940, 986, 1363, 1598, 1796, 1972, 2245, 2465, 2726, 3196, 3995, 4490, 4930, 5452, 6815, 7633, 7990, 8980, 9860, 13021, 13630, 15266, 15980, 21103, 23171, 26042, 27260, 30532, 38165, 42206, 46342, 52084, 65105, 76330, 84412, 92684, 105515, 115855, 130210, 152660, 211030, 221357, 231710, 260420, 358751, 422060, 442714, 463420, 611987, 717502, 885428, 1106785, 1223974, 1435004, 1793755, 2213570, 2447948, 3059935, 3587510, 4427140, 6119870, 7175020, 10403779, 12239740, 20807558, 41615116, 52018895, 104037790, 208075580]

約数ペア:

[(1, 208075580), (2, 104037790), (4, 52018895), (5, 41615116), (10, 20807558), (17, 12239740), (20, 10403779), (29, 7175020), (34, 6119870), (47, 4427140), (58, 3587510), (68, 3059935), (85, 2447948), (94, 2213570), (116, 1793755), (145, 1435004), (170, 1223974), (188, 1106785), (235, 885428), (290, 717502), (340, 611987), (449, 463420), (470, 442714), (493, 422060), (580, 358751), (799, 260420), (898, 231710), (940, 221357), (986, 211030), (1363, 152660), (1598, 130210), (1796, 115855), (1972, 105515), (2245, 92684), (2465, 84412), (2726, 76330), (3196, 65105), (3995, 52084), (4490, 46342), (4930, 42206), (5452, 38165), (6815, 30532), (7633, 27260), (7990, 26042), (8980, 23171), (9860, 21103), (13021, 15980), (13630, 15266)]