202803580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{2903}}^1$

素因数の和:3418

約数の個数: 48

約数和(自身を含む): 487872000

約数和(自身を除く): 285068420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1996, 2495, 2903, 3493, 4990, 5806, 6986, 9980, 11612, 13972, 14515, 17465, 20321, 29030, 34930, 40642, 58060, 69860, 81284, 101605, 203210, 406420, 1448597, 2897194, 5794388, 7242985, 10140179, 14485970, 20280358, 28971940, 40560716, 50700895, 101401790, 202803580]

約数ペア:

[(1, 202803580), (2, 101401790), (4, 50700895), (5, 40560716), (7, 28971940), (10, 20280358), (14, 14485970), (20, 10140179), (28, 7242985), (35, 5794388), (70, 2897194), (140, 1448597), (499, 406420), (998, 203210), (1996, 101605), (2495, 81284), (2903, 69860), (3493, 58060), (4990, 40642), (5806, 34930), (6986, 29030), (9980, 20321), (11612, 17465), (13972, 14515)]