290191888

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 664957440

約数和(自身を除く): 374765552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 239, 259, 293, 296, 478, 518, 586, 592, 956, 1036, 1172, 1673, 1912, 2051, 2072, 2344, 3346, 3824, 4102, 4144, 4688, 6692, 8204, 8843, 10841, 13384, 16408, 17686, 21682, 26768, 32816, 35372, 43364, 61901, 70027, 70744, 75887, 86728, 123802, 140054, 141488, 151774, 173456, 247604, 280108, 303548, 490189, 495208, 560216, 607096, 980378, 990416, 1120432, 1214192, 1960756, 2590999, 3921512, 5181998, 7843024, 10363996, 18136993, 20727992, 36273986, 41455984, 72547972, 145095944, 290191888]

約数ペア:

[(1, 290191888), (2, 145095944), (4, 72547972), (7, 41455984), (8, 36273986), (14, 20727992), (16, 18136993), (28, 10363996), (37, 7843024), (56, 5181998), (74, 3921512), (112, 2590999), (148, 1960756), (239, 1214192), (259, 1120432), (293, 990416), (296, 980378), (478, 607096), (518, 560216), (586, 495208), (592, 490189), (956, 303548), (1036, 280108), (1172, 247604), (1673, 173456), (1912, 151774), (2051, 141488), (2072, 140054), (2344, 123802), (3346, 86728), (3824, 75887), (4102, 70744), (4144, 70027), (4688, 61901), (6692, 43364), (8204, 35372), (8843, 32816), (10841, 26768), (13384, 21682), (16408, 17686)]