990841488

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11939}}^1$

素因数の和:11989

約数の個数: 160

約数和(自身を含む): 3316454400

約数和(自身を除く): 2325612912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 38, 39, 42, 48, 52, 56, 57, 76, 78, 84, 91, 104, 112, 114, 133, 152, 156, 168, 182, 208, 228, 247, 266, 273, 304, 312, 336, 364, 399, 456, 494, 532, 546, 624, 728, 741, 798, 912, 988, 1064, 1092, 1456, 1482, 1596, 1729, 1976, 2128, 2184, 2964, 3192, 3458, 3952, 4368, 5187, 5928, 6384, 6916, 10374, 11856, 11939, 13832, 20748, 23878, 27664, 35817, 41496, 47756, 71634, 82992, 83573, 95512, 143268, 155207, 167146, 191024, 226841, 250719, 286536, 310414, 334292, 453682, 465621, 501438, 573072, 620828, 668584, 680523, 907364, 931242, 1002876, 1086449, 1241656, 1337168, 1361046, 1587887, 1814728, 1862484, 2005752, 2172898, 2483312, 2722092, 2948933, 3175774, 3259347, 3629456, 3724968, 4011504, 4345796, 4763661, 5444184, 5897866, 6351548, 6518694, 7449936, 8691592, 8846799, 9527322, 10888368, 11795732, 12703096, 13037388, 17383184, 17693598, 19054644, 20642531, 23591464, 25406192, 26074776, 35387196, 38109288, 41285062, 47182928, 52149552, 61927593, 70774392, 76218576, 82570124, 123855186, 141548784, 165140248, 247710372, 330280496, 495420744, 990841488]

約数ペア:

[(1, 990841488), (2, 495420744), (3, 330280496), (4, 247710372), (6, 165140248), (7, 141548784), (8, 123855186), (12, 82570124), (13, 76218576), (14, 70774392), (16, 61927593), (19, 52149552), (21, 47182928), (24, 41285062), (26, 38109288), (28, 35387196), (38, 26074776), (39, 25406192), (42, 23591464), (48, 20642531), (52, 19054644), (56, 17693598), (57, 17383184), (76, 13037388), (78, 12703096), (84, 11795732), (91, 10888368), (104, 9527322), (112, 8846799), (114, 8691592), (133, 7449936), (152, 6518694), (156, 6351548), (168, 5897866), (182, 5444184), (208, 4763661), (228, 4345796), (247, 4011504), (266, 3724968), (273, 3629456), (304, 3259347), (312, 3175774), (336, 2948933), (364, 2722092), (399, 2483312), (456, 2172898), (494, 2005752), (532, 1862484), (546, 1814728), (624, 1587887), (728, 1361046), (741, 1337168), (798, 1241656), (912, 1086449), (988, 1002876), (1064, 931242), (1092, 907364), (1456, 680523), (1482, 668584), (1596, 620828), (1729, 573072), (1976, 501438), (2128, 465621), (2184, 453682), (2964, 334292), (3192, 310414), (3458, 286536), (3952, 250719), (4368, 226841), (5187, 191024), (5928, 167146), (6384, 155207), (6916, 143268), (10374, 95512), (11856, 83573), (11939, 82992), (13832, 71634), (20748, 47756), (23878, 41496), (27664, 35817)]