209036940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{733}}^1$

素因数の和:856

約数の個数: 144

約数和(自身を含む): 688820832

約数和(自身を除く): 479783892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 97, 98, 105, 140, 147, 194, 196, 210, 245, 291, 294, 388, 420, 485, 490, 582, 588, 679, 733, 735, 970, 980, 1164, 1358, 1455, 1466, 1470, 1940, 2037, 2199, 2716, 2910, 2932, 2940, 3395, 3665, 4074, 4398, 4753, 5131, 5820, 6790, 7330, 8148, 8796, 9506, 10185, 10262, 10995, 13580, 14259, 14660, 15393, 19012, 20370, 20524, 21990, 23765, 25655, 28518, 30786, 35917, 40740, 43980, 47530, 51310, 57036, 61572, 71101, 71295, 71834, 76965, 95060, 102620, 107751, 142202, 142590, 143668, 153930, 179585, 213303, 215502, 284404, 285180, 307860, 355505, 359170, 426606, 431004, 497707, 538755, 711010, 718340, 853212, 995414, 1066515, 1077510, 1422020, 1493121, 1990828, 2133030, 2155020, 2488535, 2986242, 3483949, 4266060, 4977070, 5972484, 6967898, 7465605, 9954140, 10451847, 13935796, 14931210, 17419745, 20903694, 29862420, 34839490, 41807388, 52259235, 69678980, 104518470, 209036940]

約数ペア:

[(1, 209036940), (2, 104518470), (3, 69678980), (4, 52259235), (5, 41807388), (6, 34839490), (7, 29862420), (10, 20903694), (12, 17419745), (14, 14931210), (15, 13935796), (20, 10451847), (21, 9954140), (28, 7465605), (30, 6967898), (35, 5972484), (42, 4977070), (49, 4266060), (60, 3483949), (70, 2986242), (84, 2488535), (97, 2155020), (98, 2133030), (105, 1990828), (140, 1493121), (147, 1422020), (194, 1077510), (196, 1066515), (210, 995414), (245, 853212), (291, 718340), (294, 711010), (388, 538755), (420, 497707), (485, 431004), (490, 426606), (582, 359170), (588, 355505), (679, 307860), (733, 285180), (735, 284404), (970, 215502), (980, 213303), (1164, 179585), (1358, 153930), (1455, 143668), (1466, 142590), (1470, 142202), (1940, 107751), (2037, 102620), (2199, 95060), (2716, 76965), (2910, 71834), (2932, 71295), (2940, 71101), (3395, 61572), (3665, 57036), (4074, 51310), (4398, 47530), (4753, 43980), (5131, 40740), (5820, 35917), (6790, 30786), (7330, 28518), (8148, 25655), (8796, 23765), (9506, 21990), (10185, 20524), (10262, 20370), (10995, 19012), (13580, 15393), (14259, 14660)]