290647520

素因数分解:

$2^5\times 5^1\times {\mathrm{379}}^1\times {\mathrm{4793}}^1$

素因数の和:5187

約数の個数: 48

約数和(自身を含む): 688610160

約数和(自身を除く): 397962640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 379, 758, 1516, 1895, 3032, 3790, 4793, 6064, 7580, 9586, 12128, 15160, 19172, 23965, 30320, 38344, 47930, 60640, 76688, 95860, 153376, 191720, 383440, 766880, 1816547, 3633094, 7266188, 9082735, 14532376, 18165470, 29064752, 36330940, 58129504, 72661880, 145323760, 290647520]

約数ペア:

[(1, 290647520), (2, 145323760), (4, 72661880), (5, 58129504), (8, 36330940), (10, 29064752), (16, 18165470), (20, 14532376), (32, 9082735), (40, 7266188), (80, 3633094), (160, 1816547), (379, 766880), (758, 383440), (1516, 191720), (1895, 153376), (3032, 95860), (3790, 76688), (4793, 60640), (6064, 47930), (7580, 38344), (9586, 30320), (12128, 23965), (15160, 19172)]