289352140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:117

約数の個数: 288

約数和(自身を含む): 858009600

約数和(自身を除く): 568657460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 29, 31, 35, 38, 44, 55, 58, 62, 70, 76, 77, 95, 110, 116, 121, 124, 133, 140, 145, 154, 155, 190, 203, 209, 217, 220, 242, 266, 290, 308, 310, 319, 341, 380, 385, 406, 418, 434, 484, 532, 551, 580, 589, 605, 620, 638, 665, 682, 770, 812, 836, 847, 868, 899, 1015, 1045, 1085, 1102, 1178, 1210, 1276, 1330, 1364, 1463, 1540, 1595, 1694, 1705, 1798, 2030, 2090, 2170, 2204, 2233, 2299, 2356, 2387, 2420, 2660, 2755, 2926, 2945, 3190, 3388, 3410, 3509, 3596, 3751, 3857, 4060, 4123, 4180, 4235, 4340, 4466, 4495, 4598, 4774, 5510, 5852, 5890, 6061, 6293, 6380, 6479, 6820, 7018, 7315, 7502, 7714, 8246, 8470, 8932, 8990, 9196, 9548, 9889, 11020, 11165, 11495, 11780, 11935, 12122, 12586, 12958, 14036, 14630, 15004, 15428, 16093, 16492, 16940, 17081, 17545, 17980, 18755, 19285, 19778, 20615, 22330, 22990, 23870, 24244, 24563, 25172, 25916, 26257, 29260, 30305, 31465, 32186, 32395, 34162, 35090, 37510, 38570, 39556, 41230, 42427, 44660, 45353, 45980, 47740, 49126, 49445, 52514, 60610, 62930, 64372, 64790, 66671, 68324, 69223, 70180, 71269, 75020, 77140, 80465, 82460, 84854, 85405, 90706, 98252, 98890, 105028, 108779, 119567, 121220, 122815, 125860, 129580, 131285, 133342, 138446, 142538, 160930, 169708, 170810, 181412, 187891, 197780, 212135, 217558, 226765, 239134, 245630, 262570, 266684, 276892, 285076, 321860, 333355, 341620, 346115, 356345, 375782, 424270, 435116, 453530, 466697, 478268, 491260, 498883, 525140, 543895, 597835, 666710, 692230, 712690, 751564, 761453, 848540, 907060, 933394, 939455, 997766, 1087790, 1195670, 1315237, 1333420, 1384460, 1425380, 1522906, 1866788, 1878910, 1995532, 2066801, 2175580, 2333485, 2391340, 2494415, 2630474, 3045812, 3757820, 3807265, 4133602, 4666970, 4988830, 5260948, 6576185, 7614530, 8267204, 9333940, 9977660, 10334005, 13152370, 14467607, 15229060, 20668010, 26304740, 28935214, 41336020, 57870428, 72338035, 144676070, 289352140]

約数ペア:

[(1, 289352140), (2, 144676070), (4, 72338035), (5, 57870428), (7, 41336020), (10, 28935214), (11, 26304740), (14, 20668010), (19, 15229060), (20, 14467607), (22, 13152370), (28, 10334005), (29, 9977660), (31, 9333940), (35, 8267204), (38, 7614530), (44, 6576185), (55, 5260948), (58, 4988830), (62, 4666970), (70, 4133602), (76, 3807265), (77, 3757820), (95, 3045812), (110, 2630474), (116, 2494415), (121, 2391340), (124, 2333485), (133, 2175580), (140, 2066801), (145, 1995532), (154, 1878910), (155, 1866788), (190, 1522906), (203, 1425380), (209, 1384460), (217, 1333420), (220, 1315237), (242, 1195670), (266, 1087790), (290, 997766), (308, 939455), (310, 933394), (319, 907060), (341, 848540), (380, 761453), (385, 751564), (406, 712690), (418, 692230), (434, 666710), (484, 597835), (532, 543895), (551, 525140), (580, 498883), (589, 491260), (605, 478268), (620, 466697), (638, 453530), (665, 435116), (682, 424270), (770, 375782), (812, 356345), (836, 346115), (847, 341620), (868, 333355), (899, 321860), (1015, 285076), (1045, 276892), (1085, 266684), (1102, 262570), (1178, 245630), (1210, 239134), (1276, 226765), (1330, 217558), (1364, 212135), (1463, 197780), (1540, 187891), (1595, 181412), (1694, 170810), (1705, 169708), (1798, 160930), (2030, 142538), (2090, 138446), (2170, 133342), (2204, 131285), (2233, 129580), (2299, 125860), (2356, 122815), (2387, 121220), (2420, 119567), (2660, 108779), (2755, 105028), (2926, 98890), (2945, 98252), (3190, 90706), (3388, 85405), (3410, 84854), (3509, 82460), (3596, 80465), (3751, 77140), (3857, 75020), (4060, 71269), (4123, 70180), (4180, 69223), (4235, 68324), (4340, 66671), (4466, 64790), (4495, 64372), (4598, 62930), (4774, 60610), (5510, 52514), (5852, 49445), (5890, 49126), (6061, 47740), (6293, 45980), (6380, 45353), (6479, 44660), (6820, 42427), (7018, 41230), (7315, 39556), (7502, 38570), (7714, 37510), (8246, 35090), (8470, 34162), (8932, 32395), (8990, 32186), (9196, 31465), (9548, 30305), (9889, 29260), (11020, 26257), (11165, 25916), (11495, 25172), (11780, 24563), (11935, 24244), (12122, 23870), (12586, 22990), (12958, 22330), (14036, 20615), (14630, 19778), (15004, 19285), (15428, 18755), (16093, 17980), (16492, 17545), (16940, 17081)]