209512240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 240

約数和(自身を含む): 623397600

約数和(自身を除く): 413885360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 49, 56, 58, 70, 76, 80, 95, 97, 98, 112, 116, 133, 140, 145, 152, 190, 194, 196, 203, 232, 245, 266, 280, 290, 304, 380, 388, 392, 406, 464, 485, 490, 532, 551, 560, 580, 665, 679, 760, 776, 784, 812, 931, 970, 980, 1015, 1064, 1102, 1160, 1330, 1358, 1421, 1520, 1552, 1624, 1843, 1862, 1940, 1960, 2030, 2128, 2204, 2320, 2660, 2716, 2755, 2813, 2842, 3248, 3395, 3686, 3724, 3857, 3880, 3920, 4060, 4408, 4655, 4753, 5320, 5432, 5510, 5626, 5684, 6790, 7105, 7372, 7448, 7714, 7760, 8120, 8816, 9215, 9310, 9506, 10640, 10864, 11020, 11252, 11368, 12901, 13580, 14065, 14210, 14744, 14896, 15428, 16240, 18430, 18620, 19012, 19285, 19691, 22040, 22504, 22736, 23765, 25802, 26999, 27160, 28130, 28420, 29488, 30856, 36860, 37240, 38024, 38570, 39382, 44080, 45008, 47530, 51604, 53447, 53998, 54320, 56260, 56840, 61712, 64505, 73720, 74480, 76048, 77140, 78764, 90307, 95060, 98455, 103208, 106894, 107996, 112520, 113680, 129010, 134995, 137837, 147440, 154280, 157528, 180614, 190120, 196910, 206416, 213788, 215992, 225040, 258020, 267235, 269990, 275674, 308560, 315056, 361228, 374129, 380240, 393820, 427576, 431984, 451535, 516040, 534470, 539980, 551348, 689185, 722456, 748258, 787640, 855152, 903070, 1032080, 1068940, 1079960, 1102696, 1378370, 1444912, 1496516, 1575280, 1806140, 1870645, 2137880, 2159920, 2205392, 2618903, 2756740, 2993032, 3612280, 3741290, 4275760, 5237806, 5513480, 5986064, 7224560, 7482580, 10475612, 11026960, 13094515, 14965160, 20951224, 26189030, 29930320, 41902448, 52378060, 104756120, 209512240]

約数ペア:

[(1, 209512240), (2, 104756120), (4, 52378060), (5, 41902448), (7, 29930320), (8, 26189030), (10, 20951224), (14, 14965160), (16, 13094515), (19, 11026960), (20, 10475612), (28, 7482580), (29, 7224560), (35, 5986064), (38, 5513480), (40, 5237806), (49, 4275760), (56, 3741290), (58, 3612280), (70, 2993032), (76, 2756740), (80, 2618903), (95, 2205392), (97, 2159920), (98, 2137880), (112, 1870645), (116, 1806140), (133, 1575280), (140, 1496516), (145, 1444912), (152, 1378370), (190, 1102696), (194, 1079960), (196, 1068940), (203, 1032080), (232, 903070), (245, 855152), (266, 787640), (280, 748258), (290, 722456), (304, 689185), (380, 551348), (388, 539980), (392, 534470), (406, 516040), (464, 451535), (485, 431984), (490, 427576), (532, 393820), (551, 380240), (560, 374129), (580, 361228), (665, 315056), (679, 308560), (760, 275674), (776, 269990), (784, 267235), (812, 258020), (931, 225040), (970, 215992), (980, 213788), (1015, 206416), (1064, 196910), (1102, 190120), (1160, 180614), (1330, 157528), (1358, 154280), (1421, 147440), (1520, 137837), (1552, 134995), (1624, 129010), (1843, 113680), (1862, 112520), (1940, 107996), (1960, 106894), (2030, 103208), (2128, 98455), (2204, 95060), (2320, 90307), (2660, 78764), (2716, 77140), (2755, 76048), (2813, 74480), (2842, 73720), (3248, 64505), (3395, 61712), (3686, 56840), (3724, 56260), (3857, 54320), (3880, 53998), (3920, 53447), (4060, 51604), (4408, 47530), (4655, 45008), (4753, 44080), (5320, 39382), (5432, 38570), (5510, 38024), (5626, 37240), (5684, 36860), (6790, 30856), (7105, 29488), (7372, 28420), (7448, 28130), (7714, 27160), (7760, 26999), (8120, 25802), (8816, 23765), (9215, 22736), (9310, 22504), (9506, 22040), (10640, 19691), (10864, 19285), (11020, 19012), (11252, 18620), (11368, 18430), (12901, 16240), (13580, 15428), (14065, 14896), (14210, 14744)]