391825980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1$

素因数の和:1313

約数の個数: 288

約数和(自身を含む): 1541030400

約数和(自身を除く): 1149204420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 114, 117, 126, 130, 133, 140, 156, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 260, 266, 273, 285, 315, 342, 364, 380, 390, 399, 420, 455, 468, 494, 532, 546, 570, 585, 630, 665, 684, 741, 780, 798, 819, 855, 910, 988, 1092, 1140, 1170, 1197, 1235, 1259, 1260, 1330, 1365, 1482, 1596, 1638, 1710, 1729, 1820, 1995, 2223, 2340, 2394, 2470, 2518, 2660, 2730, 2964, 3276, 3420, 3458, 3705, 3777, 3990, 4095, 4446, 4788, 4940, 5036, 5187, 5460, 5985, 6295, 6916, 7410, 7554, 7980, 8190, 8645, 8813, 8892, 10374, 11115, 11331, 11970, 12590, 14820, 15108, 15561, 16367, 16380, 17290, 17626, 18885, 20748, 22230, 22662, 23921, 23940, 25180, 25935, 26439, 31122, 32734, 34580, 35252, 37770, 44065, 44460, 45324, 47842, 49101, 51870, 52878, 56655, 62244, 65468, 71763, 75540, 77805, 79317, 81835, 88130, 95684, 98202, 103740, 105756, 113310, 114569, 119605, 132195, 143526, 147303, 155610, 158634, 163670, 167447, 176260, 196404, 215289, 226620, 229138, 239210, 245505, 264390, 287052, 294606, 310973, 311220, 317268, 327340, 334894, 343707, 358815, 396585, 430578, 458276, 478420, 491010, 502341, 528780, 572845, 589212, 621946, 669788, 687414, 717630, 736515, 793170, 837235, 861156, 932919, 982020, 1004682, 1031121, 1076445, 1145690, 1243892, 1374828, 1435260, 1473030, 1507023, 1554865, 1586340, 1674470, 1718535, 1865838, 2009364, 2062242, 2152890, 2176811, 2291380, 2511705, 2798757, 2946060, 3014046, 3109730, 3348940, 3437070, 3731676, 4124484, 4305780, 4353622, 4664595, 5023410, 5155605, 5597514, 6028092, 6219460, 6530433, 6874140, 7535115, 8707244, 9329190, 10046820, 10311210, 10884055, 11195028, 13060866, 13993785, 15070230, 18658380, 19591299, 20622420, 21768110, 26121732, 27987570, 30140460, 32652165, 39182598, 43536220, 55975140, 65304330, 78365196, 97956495, 130608660, 195912990, 391825980]

約数ペア:

[(1, 391825980), (2, 195912990), (3, 130608660), (4, 97956495), (5, 78365196), (6, 65304330), (7, 55975140), (9, 43536220), (10, 39182598), (12, 32652165), (13, 30140460), (14, 27987570), (15, 26121732), (18, 21768110), (19, 20622420), (20, 19591299), (21, 18658380), (26, 15070230), (28, 13993785), (30, 13060866), (35, 11195028), (36, 10884055), (38, 10311210), (39, 10046820), (42, 9329190), (45, 8707244), (52, 7535115), (57, 6874140), (60, 6530433), (63, 6219460), (65, 6028092), (70, 5597514), (76, 5155605), (78, 5023410), (84, 4664595), (90, 4353622), (91, 4305780), (95, 4124484), (105, 3731676), (114, 3437070), (117, 3348940), (126, 3109730), (130, 3014046), (133, 2946060), (140, 2798757), (156, 2511705), (171, 2291380), (180, 2176811), (182, 2152890), (190, 2062242), (195, 2009364), (210, 1865838), (228, 1718535), (234, 1674470), (247, 1586340), (252, 1554865), (260, 1507023), (266, 1473030), (273, 1435260), (285, 1374828), (315, 1243892), (342, 1145690), (364, 1076445), (380, 1031121), (390, 1004682), (399, 982020), (420, 932919), (455, 861156), (468, 837235), (494, 793170), (532, 736515), (546, 717630), (570, 687414), (585, 669788), (630, 621946), (665, 589212), (684, 572845), (741, 528780), (780, 502341), (798, 491010), (819, 478420), (855, 458276), (910, 430578), (988, 396585), (1092, 358815), (1140, 343707), (1170, 334894), (1197, 327340), (1235, 317268), (1259, 311220), (1260, 310973), (1330, 294606), (1365, 287052), (1482, 264390), (1596, 245505), (1638, 239210), (1710, 229138), (1729, 226620), (1820, 215289), (1995, 196404), (2223, 176260), (2340, 167447), (2394, 163670), (2470, 158634), (2518, 155610), (2660, 147303), (2730, 143526), (2964, 132195), (3276, 119605), (3420, 114569), (3458, 113310), (3705, 105756), (3777, 103740), (3990, 98202), (4095, 95684), (4446, 88130), (4788, 81835), (4940, 79317), (5036, 77805), (5187, 75540), (5460, 71763), (5985, 65468), (6295, 62244), (6916, 56655), (7410, 52878), (7554, 51870), (7980, 49101), (8190, 47842), (8645, 45324), (8813, 44460), (8892, 44065), (10374, 37770), (11115, 35252), (11331, 34580), (11970, 32734), (12590, 31122), (14820, 26439), (15108, 25935), (15561, 25180), (16367, 23940), (16380, 23921), (17290, 22662), (17626, 22230), (18885, 20748)]