2152973.00000000

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 131382720

約数和(自身を除く): 91742700

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, 139, 140, 147, 194, 196, 210, 245, 278, 291, 294, 388, 417, 420, 485, 490, 556, 582, 588, 679, 695, 735, 834, 970, 973, 980, 1164, 1358, 1390, 1455, 1470, 1668, 1940, 1946, 2037, 2085, 2716, 2780, 2910, 2919, 2940, 3395, 3892, 4074, 4170, 4753, 4865, 5820, 5838, 6790, 6811, 8148, 8340, 9506, 9730, 10185, 11676, 13483, 13580, 13622, 14259, 14595, 19012, 19460, 20370, 20433, 23765, 26966, 27244, 28518, 29190, 34055, 40449, 40740, 40866, 47530, 53932, 57036, 58380, 67415, 68110, 71295, 80898, 81732, 94381, 95060, 102165, 134830, 136220, 142590, 161796, 188762, 202245, 204330, 269660, 283143, 285180, 377524, 404490, 408660, 471905, 566286, 660667, 808980, 943810, 1132572, 1321334, 1415715, 1887620, 1982001, 2642668, 2831430, 3303335, 3964002, 5662860, 6606670, 7928004, 9910005, 13213340, 19820010, 39640020]

約数ペア:

[(1, 39640020), (2, 19820010), (3, 13213340), (4, 9910005), (5, 7928004), (6, 6606670), (7, 5662860), (10, 3964002), (12, 3303335), (14, 2831430), (15, 2642668), (20, 1982001), (21, 1887620), (28, 1415715), (30, 1321334), (35, 1132572), (42, 943810), (49, 808980), (60, 660667), (70, 566286), (84, 471905), (97, 408660), (98, 404490), (105, 377524), (139, 285180), (140, 283143), (147, 269660), (194, 204330), (196, 202245), (210, 188762), (245, 161796), (278, 142590), (291, 136220), (294, 134830), (388, 102165), (417, 95060), (420, 94381), (485, 81732), (490, 80898), (556, 71295), (582, 68110), (588, 67415), (679, 58380), (695, 57036), (735, 53932), (834, 47530), (970, 40866), (973, 40740), (980, 40449), (1164, 34055), (1358, 29190), (1390, 28518), (1455, 27244), (1470, 26966), (1668, 23765), (1940, 20433), (1946, 20370), (2037, 19460), (2085, 19012), (2716, 14595), (2780, 14259), (2910, 13622), (2919, 13580), (2940, 13483), (3395, 11676), (3892, 10185), (4074, 9730), (4170, 9506), (4753, 8340), (4865, 8148), (5820, 6811), (5838, 6790)]