86709140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6959}}^1$

素因数の和:7064

約数の個数: 48

約数和(自身を含む): 210470400

約数和(自身を除く): 123761260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 6959, 12460, 13918, 27836, 34795, 48713, 69590, 97426, 139180, 194852, 243565, 487130, 619351, 974260, 1238702, 2477404, 3096755, 4335457, 6193510, 8670914, 12387020, 17341828, 21677285, 43354570, 86709140]

約数ペア:

[(1, 86709140), (2, 43354570), (4, 21677285), (5, 17341828), (7, 12387020), (10, 8670914), (14, 6193510), (20, 4335457), (28, 3096755), (35, 2477404), (70, 1238702), (89, 974260), (140, 619351), (178, 487130), (356, 243565), (445, 194852), (623, 139180), (890, 97426), (1246, 69590), (1780, 48713), (2492, 34795), (3115, 27836), (6230, 13918), (6959, 12460)]