131919620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7193}}^1$

素因数の和:7340

約数の個数: 48

約数和(自身を含む): 319068288

約数和(自身を除く): 187148668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 7193, 9170, 14386, 18340, 28772, 35965, 50351, 71930, 100702, 143860, 201404, 251755, 503510, 942283, 1007020, 1884566, 3769132, 4711415, 6595981, 9422830, 13191962, 18845660, 26383924, 32979905, 65959810, 131919620]

約数ペア:

[(1, 131919620), (2, 65959810), (4, 32979905), (5, 26383924), (7, 18845660), (10, 13191962), (14, 9422830), (20, 6595981), (28, 4711415), (35, 3769132), (70, 1884566), (131, 1007020), (140, 942283), (262, 503510), (524, 251755), (655, 201404), (917, 143860), (1310, 100702), (1834, 71930), (2620, 50351), (3668, 35965), (4585, 28772), (7193, 18340), (9170, 14386)]