290811248

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:455

約数の個数: 160

約数和(自身を含む): 759951360

約数和(自身を除く): 469140112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 31, 34, 52, 56, 62, 68, 91, 104, 112, 119, 124, 136, 182, 208, 217, 221, 238, 248, 272, 364, 379, 403, 434, 442, 476, 496, 527, 728, 758, 806, 868, 884, 952, 1054, 1456, 1516, 1547, 1612, 1736, 1768, 1904, 2108, 2653, 2821, 3032, 3094, 3224, 3472, 3536, 3689, 4216, 4927, 5306, 5642, 6064, 6188, 6443, 6448, 6851, 7378, 8432, 9854, 10612, 11284, 11749, 12376, 12886, 13702, 14756, 19708, 21224, 22568, 23498, 24752, 25772, 27404, 29512, 34489, 39416, 42448, 45101, 45136, 46996, 47957, 51544, 54808, 59024, 68978, 78832, 82243, 83759, 90202, 93992, 95914, 103088, 109616, 137956, 152737, 164486, 167518, 180404, 187984, 191828, 199733, 275912, 305474, 328972, 335036, 360808, 383656, 399466, 551824, 586313, 610948, 657944, 670072, 721616, 767312, 798932, 1069159, 1172626, 1221896, 1315888, 1340144, 1398131, 1597864, 2138318, 2345252, 2443792, 2596529, 2796262, 3195728, 4276636, 4690504, 5193058, 5592524, 8553272, 9381008, 10386116, 11185048, 17106544, 18175703, 20772232, 22370096, 36351406, 41544464, 72702812, 145405624, 290811248]

約数ペア:

[(1, 290811248), (2, 145405624), (4, 72702812), (7, 41544464), (8, 36351406), (13, 22370096), (14, 20772232), (16, 18175703), (17, 17106544), (26, 11185048), (28, 10386116), (31, 9381008), (34, 8553272), (52, 5592524), (56, 5193058), (62, 4690504), (68, 4276636), (91, 3195728), (104, 2796262), (112, 2596529), (119, 2443792), (124, 2345252), (136, 2138318), (182, 1597864), (208, 1398131), (217, 1340144), (221, 1315888), (238, 1221896), (248, 1172626), (272, 1069159), (364, 798932), (379, 767312), (403, 721616), (434, 670072), (442, 657944), (476, 610948), (496, 586313), (527, 551824), (728, 399466), (758, 383656), (806, 360808), (868, 335036), (884, 328972), (952, 305474), (1054, 275912), (1456, 199733), (1516, 191828), (1547, 187984), (1612, 180404), (1736, 167518), (1768, 164486), (1904, 152737), (2108, 137956), (2653, 109616), (2821, 103088), (3032, 95914), (3094, 93992), (3224, 90202), (3472, 83759), (3536, 82243), (3689, 78832), (4216, 68978), (4927, 59024), (5306, 54808), (5642, 51544), (6064, 47957), (6188, 46996), (6443, 45136), (6448, 45101), (6851, 42448), (7378, 39416), (8432, 34489), (9854, 29512), (10612, 27404), (11284, 25772), (11749, 24752), (12376, 23498), (12886, 22568), (13702, 21224), (14756, 19708)]