47738740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{6959}}^1$

素因数の和:6989

約数の個数: 48

約数和(自身を含む): 116928000

約数和(自身を除く): 69189260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 6959, 13918, 27836, 34795, 48713, 69590, 97426, 139180, 194852, 243565, 340991, 487130, 681982, 974260, 1363964, 1704955, 2386937, 3409910, 4773874, 6819820, 9547748, 11934685, 23869370, 47738740]

約数ペア:

[(1, 47738740), (2, 23869370), (4, 11934685), (5, 9547748), (7, 6819820), (10, 4773874), (14, 3409910), (20, 2386937), (28, 1704955), (35, 1363964), (49, 974260), (70, 681982), (98, 487130), (140, 340991), (196, 243565), (245, 194852), (343, 139180), (490, 97426), (686, 69590), (980, 48713), (1372, 34795), (1715, 27836), (3430, 13918), (6860, 6959)]