28738270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 60673536

約数和(自身を除く): 31935266

約数列:

[1, 2, 5, 10, 11, 22, 23, 37, 46, 55, 74, 110, 115, 185, 230, 253, 307, 370, 407, 506, 614, 814, 851, 1265, 1535, 1702, 2035, 2530, 3070, 3377, 4070, 4255, 6754, 7061, 8510, 9361, 11359, 14122, 16885, 18722, 22718, 33770, 35305, 46805, 56795, 70610, 77671, 93610, 113590, 124949, 155342, 249898, 261257, 388355, 522514, 624745, 776710, 1249490, 1306285, 2612570, 2873827, 5747654, 14369135, 28738270]

約数ペア:

[(1, 28738270), (2, 14369135), (5, 5747654), (10, 2873827), (11, 2612570), (22, 1306285), (23, 1249490), (37, 776710), (46, 624745), (55, 522514), (74, 388355), (110, 261257), (115, 249898), (185, 155342), (230, 124949), (253, 113590), (307, 93610), (370, 77671), (407, 70610), (506, 56795), (614, 46805), (814, 35305), (851, 33770), (1265, 22718), (1535, 18722), (1702, 16885), (2035, 14122), (2530, 11359), (3070, 9361), (3377, 8510), (4070, 7061), (4255, 6754)]