205146928

素因数分解:

$2^4\times 7^3\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1347

約数の個数: 80

約数和(自身を含む): 479880000

約数和(自身を除く): 274733072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 196, 203, 232, 343, 392, 406, 464, 686, 784, 812, 1289, 1372, 1421, 1624, 2578, 2744, 2842, 3248, 5156, 5488, 5684, 9023, 9947, 10312, 11368, 18046, 19894, 20624, 22736, 36092, 37381, 39788, 63161, 72184, 74762, 79576, 126322, 144368, 149524, 159152, 252644, 261667, 299048, 442127, 505288, 523334, 598096, 884254, 1010576, 1046668, 1768508, 1831669, 2093336, 3537016, 3663338, 4186672, 7074032, 7326676, 12821683, 14653352, 25643366, 29306704, 51286732, 102573464, 205146928]

約数ペア:

[(1, 205146928), (2, 102573464), (4, 51286732), (7, 29306704), (8, 25643366), (14, 14653352), (16, 12821683), (28, 7326676), (29, 7074032), (49, 4186672), (56, 3663338), (58, 3537016), (98, 2093336), (112, 1831669), (116, 1768508), (196, 1046668), (203, 1010576), (232, 884254), (343, 598096), (392, 523334), (406, 505288), (464, 442127), (686, 299048), (784, 261667), (812, 252644), (1289, 159152), (1372, 149524), (1421, 144368), (1624, 126322), (2578, 79576), (2744, 74762), (2842, 72184), (3248, 63161), (5156, 39788), (5488, 37381), (5684, 36092), (9023, 22736), (9947, 20624), (10312, 19894), (11368, 18046)]