221447016

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 192

約数和(自身を含む): 720720000

約数和(自身を除く): 499272984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 29, 36, 42, 56, 58, 63, 72, 84, 87, 109, 116, 126, 139, 168, 174, 203, 218, 232, 252, 261, 278, 327, 348, 406, 417, 436, 504, 522, 556, 609, 654, 696, 763, 812, 834, 872, 973, 981, 1044, 1112, 1218, 1251, 1308, 1526, 1624, 1668, 1827, 1946, 1962, 2088, 2289, 2436, 2502, 2616, 2919, 3052, 3161, 3336, 3654, 3892, 3924, 4031, 4578, 4872, 5004, 5838, 6104, 6322, 6867, 7308, 7784, 7848, 8062, 8757, 9156, 9483, 10008, 11676, 12093, 12644, 13734, 14616, 15151, 16124, 17514, 18312, 18966, 22127, 23352, 24186, 25288, 27468, 28217, 28449, 30302, 32248, 35028, 36279, 37932, 44254, 45453, 48372, 54936, 56434, 56898, 60604, 66381, 70056, 72558, 75864, 84651, 88508, 90906, 96744, 106057, 112868, 113796, 121208, 132762, 136359, 145116, 169302, 177016, 181812, 199143, 212114, 225736, 227592, 253953, 265524, 272718, 290232, 318171, 338604, 363624, 398286, 424228, 439379, 507906, 531048, 545436, 636342, 677208, 796572, 848456, 878758, 954513, 1015812, 1090872, 1272684, 1318137, 1593144, 1757516, 1909026, 2031624, 2545368, 2636274, 3075653, 3515032, 3818052, 3954411, 5272548, 6151306, 7636104, 7908822, 9226959, 10545096, 12302612, 15817644, 18453918, 24605224, 27680877, 31635288, 36907836, 55361754, 73815672, 110723508, 221447016]

約数ペア:

[(1, 221447016), (2, 110723508), (3, 73815672), (4, 55361754), (6, 36907836), (7, 31635288), (8, 27680877), (9, 24605224), (12, 18453918), (14, 15817644), (18, 12302612), (21, 10545096), (24, 9226959), (28, 7908822), (29, 7636104), (36, 6151306), (42, 5272548), (56, 3954411), (58, 3818052), (63, 3515032), (72, 3075653), (84, 2636274), (87, 2545368), (109, 2031624), (116, 1909026), (126, 1757516), (139, 1593144), (168, 1318137), (174, 1272684), (203, 1090872), (218, 1015812), (232, 954513), (252, 878758), (261, 848456), (278, 796572), (327, 677208), (348, 636342), (406, 545436), (417, 531048), (436, 507906), (504, 439379), (522, 424228), (556, 398286), (609, 363624), (654, 338604), (696, 318171), (763, 290232), (812, 272718), (834, 265524), (872, 253953), (973, 227592), (981, 225736), (1044, 212114), (1112, 199143), (1218, 181812), (1251, 177016), (1308, 169302), (1526, 145116), (1624, 136359), (1668, 132762), (1827, 121208), (1946, 113796), (1962, 112868), (2088, 106057), (2289, 96744), (2436, 90906), (2502, 88508), (2616, 84651), (2919, 75864), (3052, 72558), (3161, 70056), (3336, 66381), (3654, 60604), (3892, 56898), (3924, 56434), (4031, 54936), (4578, 48372), (4872, 45453), (5004, 44254), (5838, 37932), (6104, 36279), (6322, 35028), (6867, 32248), (7308, 30302), (7784, 28449), (7848, 28217), (8062, 27468), (8757, 25288), (9156, 24186), (9483, 23352), (10008, 22127), (11676, 18966), (12093, 18312), (12644, 17514), (13734, 16124), (14616, 15151)]