40178740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1487}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 96993792

約数和(自身を除く): 56815052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1487, 1930, 2702, 2974, 3860, 5404, 5948, 6755, 7435, 10409, 13510, 14870, 20818, 27020, 29740, 41636, 52045, 104090, 208180, 286991, 573982, 1147964, 1434955, 2008937, 2869910, 4017874, 5739820, 8035748, 10044685, 20089370, 40178740]

約数ペア:

[(1, 40178740), (2, 20089370), (4, 10044685), (5, 8035748), (7, 5739820), (10, 4017874), (14, 2869910), (20, 2008937), (28, 1434955), (35, 1147964), (70, 573982), (140, 286991), (193, 208180), (386, 104090), (772, 52045), (965, 41636), (1351, 29740), (1487, 27020), (1930, 20818), (2702, 14870), (2974, 13510), (3860, 10409), (5404, 7435), (5948, 6755)]