209217456

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:376

約数の個数: 180

約数和(自身を含む): 689130000

約数和(自身を除く): 479912544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 149, 168, 196, 199, 252, 294, 298, 336, 392, 398, 441, 447, 504, 588, 596, 597, 784, 796, 882, 894, 1008, 1043, 1176, 1192, 1194, 1341, 1393, 1592, 1764, 1788, 1791, 2086, 2352, 2384, 2388, 2682, 2786, 3129, 3184, 3528, 3576, 3582, 4172, 4179, 4776, 5364, 5572, 6258, 7056, 7152, 7164, 7301, 8344, 8358, 9387, 9552, 9751, 10728, 11144, 12516, 12537, 14328, 14602, 16688, 16716, 18774, 19502, 21456, 21903, 22288, 25032, 25074, 28656, 29204, 29253, 29651, 33432, 37548, 39004, 43806, 50064, 50148, 58408, 58506, 59302, 65709, 66864, 75096, 78008, 87612, 87759, 88953, 100296, 116816, 117012, 118604, 131418, 150192, 156016, 175224, 175518, 177906, 200592, 207557, 234024, 237208, 262836, 266859, 350448, 351036, 355812, 415114, 468048, 474416, 525672, 533718, 622671, 702072, 711624, 830228, 1051344, 1067436, 1245342, 1404144, 1423248, 1452899, 1660456, 1868013, 2134872, 2490684, 2905798, 3320912, 3736026, 4269744, 4358697, 4981368, 5811596, 7472052, 8717394, 9962736, 11623192, 13076091, 14944104, 17434788, 23246384, 26152182, 29888208, 34869576, 52304364, 69739152, 104608728, 209217456]

約数ペア:

[(1, 209217456), (2, 104608728), (3, 69739152), (4, 52304364), (6, 34869576), (7, 29888208), (8, 26152182), (9, 23246384), (12, 17434788), (14, 14944104), (16, 13076091), (18, 11623192), (21, 9962736), (24, 8717394), (28, 7472052), (36, 5811596), (42, 4981368), (48, 4358697), (49, 4269744), (56, 3736026), (63, 3320912), (72, 2905798), (84, 2490684), (98, 2134872), (112, 1868013), (126, 1660456), (144, 1452899), (147, 1423248), (149, 1404144), (168, 1245342), (196, 1067436), (199, 1051344), (252, 830228), (294, 711624), (298, 702072), (336, 622671), (392, 533718), (398, 525672), (441, 474416), (447, 468048), (504, 415114), (588, 355812), (596, 351036), (597, 350448), (784, 266859), (796, 262836), (882, 237208), (894, 234024), (1008, 207557), (1043, 200592), (1176, 177906), (1192, 175518), (1194, 175224), (1341, 156016), (1393, 150192), (1592, 131418), (1764, 118604), (1788, 117012), (1791, 116816), (2086, 100296), (2352, 88953), (2384, 87759), (2388, 87612), (2682, 78008), (2786, 75096), (3129, 66864), (3184, 65709), (3528, 59302), (3576, 58506), (3582, 58408), (4172, 50148), (4179, 50064), (4776, 43806), (5364, 39004), (5572, 37548), (6258, 33432), (7056, 29651), (7152, 29253), (7164, 29204), (7301, 28656), (8344, 25074), (8358, 25032), (9387, 22288), (9552, 21903), (9751, 21456), (10728, 19502), (11144, 18774), (12516, 16716), (12537, 16688), (14328, 14602)]