67987990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1559}}^1$

素因数の和:1669

約数の個数: 48

約数和(自身を含む): 144050400

約数和(自身を除く): 76062410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 445, 490, 623, 890, 1246, 1559, 3115, 3118, 4361, 6230, 7795, 8722, 10913, 15590, 21805, 21826, 43610, 54565, 76391, 109130, 138751, 152782, 277502, 381955, 693755, 763910, 971257, 1387510, 1942514, 4856285, 6798799, 9712570, 13597598, 33993995, 67987990]

約数ペア:

[(1, 67987990), (2, 33993995), (5, 13597598), (7, 9712570), (10, 6798799), (14, 4856285), (35, 1942514), (49, 1387510), (70, 971257), (89, 763910), (98, 693755), (178, 381955), (245, 277502), (445, 152782), (490, 138751), (623, 109130), (890, 76391), (1246, 54565), (1559, 43610), (3115, 21826), (3118, 21805), (4361, 15590), (6230, 10913), (7795, 8722)]