1990998828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1103}}^1$

素因数の和:1181

約数の個数: 288

約数和(自身を含む): 6751180800

約数和(自身を除く): 4760181972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 29, 36, 38, 39, 42, 52, 57, 58, 63, 76, 78, 84, 87, 91, 114, 116, 117, 126, 133, 156, 171, 174, 182, 203, 228, 234, 247, 252, 261, 266, 273, 342, 348, 364, 377, 399, 406, 468, 494, 522, 532, 546, 551, 609, 684, 741, 754, 798, 812, 819, 988, 1044, 1092, 1102, 1103, 1131, 1197, 1218, 1482, 1508, 1596, 1638, 1653, 1729, 1827, 2204, 2206, 2223, 2262, 2394, 2436, 2639, 2964, 3276, 3306, 3309, 3393, 3458, 3654, 3857, 4412, 4446, 4524, 4788, 4959, 5187, 5278, 6612, 6618, 6786, 6916, 7163, 7308, 7714, 7721, 7917, 8892, 9918, 9927, 10374, 10556, 11571, 13236, 13572, 14326, 14339, 15428, 15442, 15561, 15834, 19836, 19854, 20748, 20957, 21489, 23142, 23163, 23751, 28652, 28678, 30884, 31122, 31668, 31987, 34713, 39708, 41914, 42978, 43017, 46284, 46326, 47502, 50141, 57356, 62244, 62871, 63974, 64467, 69426, 69489, 83828, 85956, 86034, 92652, 95004, 95961, 100282, 100373, 125742, 127948, 128934, 129051, 138852, 138978, 146699, 150423, 172068, 188613, 191922, 200564, 200746, 223909, 251484, 257868, 258102, 272441, 277956, 287883, 293398, 300846, 301119, 377226, 383844, 401492, 415831, 440097, 447818, 451269, 516204, 544882, 575766, 586796, 601692, 602238, 607753, 671727, 754452, 817323, 831662, 880194, 895636, 902538, 903357, 1089764, 1151532, 1204476, 1215506, 1247493, 1320291, 1343454, 1634646, 1663324, 1760388, 1805076, 1806714, 1823259, 1907087, 2015181, 2431012, 2451969, 2494986, 2640582, 2686908, 2910817, 3269292, 3613428, 3646518, 3742479, 3814174, 4030362, 4254271, 4903938, 4989972, 5281164, 5469777, 5721261, 5821634, 7293036, 7484958, 7628348, 7900789, 8060724, 8508542, 8732451, 9807876, 10939554, 11442522, 11643268, 12762813, 14969916, 15801578, 17017084, 17163783, 17464902, 21879108, 22885044, 23702367, 25525626, 26197353, 31603156, 34327566, 34929804, 38288439, 47404734, 51051252, 52394706, 55305523, 68655132, 71107101, 76576878, 94809468, 104789412, 110611046, 142214202, 153153756, 165916569, 221222092, 284428404, 331833138, 497749707, 663666276, 995499414, 1990998828]

約数ペア:

[(1, 1990998828), (2, 995499414), (3, 663666276), (4, 497749707), (6, 331833138), (7, 284428404), (9, 221222092), (12, 165916569), (13, 153153756), (14, 142214202), (18, 110611046), (19, 104789412), (21, 94809468), (26, 76576878), (28, 71107101), (29, 68655132), (36, 55305523), (38, 52394706), (39, 51051252), (42, 47404734), (52, 38288439), (57, 34929804), (58, 34327566), (63, 31603156), (76, 26197353), (78, 25525626), (84, 23702367), (87, 22885044), (91, 21879108), (114, 17464902), (116, 17163783), (117, 17017084), (126, 15801578), (133, 14969916), (156, 12762813), (171, 11643268), (174, 11442522), (182, 10939554), (203, 9807876), (228, 8732451), (234, 8508542), (247, 8060724), (252, 7900789), (261, 7628348), (266, 7484958), (273, 7293036), (342, 5821634), (348, 5721261), (364, 5469777), (377, 5281164), (399, 4989972), (406, 4903938), (468, 4254271), (494, 4030362), (522, 3814174), (532, 3742479), (546, 3646518), (551, 3613428), (609, 3269292), (684, 2910817), (741, 2686908), (754, 2640582), (798, 2494986), (812, 2451969), (819, 2431012), (988, 2015181), (1044, 1907087), (1092, 1823259), (1102, 1806714), (1103, 1805076), (1131, 1760388), (1197, 1663324), (1218, 1634646), (1482, 1343454), (1508, 1320291), (1596, 1247493), (1638, 1215506), (1653, 1204476), (1729, 1151532), (1827, 1089764), (2204, 903357), (2206, 902538), (2223, 895636), (2262, 880194), (2394, 831662), (2436, 817323), (2639, 754452), (2964, 671727), (3276, 607753), (3306, 602238), (3309, 601692), (3393, 586796), (3458, 575766), (3654, 544882), (3857, 516204), (4412, 451269), (4446, 447818), (4524, 440097), (4788, 415831), (4959, 401492), (5187, 383844), (5278, 377226), (6612, 301119), (6618, 300846), (6786, 293398), (6916, 287883), (7163, 277956), (7308, 272441), (7714, 258102), (7721, 257868), (7917, 251484), (8892, 223909), (9918, 200746), (9927, 200564), (10374, 191922), (10556, 188613), (11571, 172068), (13236, 150423), (13572, 146699), (14326, 138978), (14339, 138852), (15428, 129051), (15442, 128934), (15561, 127948), (15834, 125742), (19836, 100373), (19854, 100282), (20748, 95961), (20957, 95004), (21489, 92652), (23142, 86034), (23163, 85956), (23751, 83828), (28652, 69489), (28678, 69426), (30884, 64467), (31122, 63974), (31668, 62871), (31987, 62244), (34713, 57356), (39708, 50141), (41914, 47502), (42978, 46326), (43017, 46284)]