284450440

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{22433}}^1$

素因数の和:22761

約数の個数: 32

約数和(自身を含む): 642061080

約数和(自身を除く): 357610640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 22433, 44866, 89732, 112165, 179464, 224330, 448660, 897320, 7111261, 14222522, 28445044, 35556305, 56890088, 71112610, 142225220, 284450440]

約数ペア:

[(1, 284450440), (2, 142225220), (4, 71112610), (5, 56890088), (8, 35556305), (10, 28445044), (20, 14222522), (40, 7111261), (317, 897320), (634, 448660), (1268, 224330), (1585, 179464), (2536, 112165), (3170, 89732), (6340, 44866), (12680, 22433)]