221504080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{395543}}^1$

素因数の和:395563

約数の個数: 40

約数和(自身を含む): 588569472

約数和(自身を除く): 367065392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 395543, 791086, 1582172, 1977715, 2768801, 3164344, 3955430, 5537602, 6328688, 7910860, 11075204, 13844005, 15821720, 22150408, 27688010, 31643440, 44300816, 55376020, 110752040, 221504080]

約数ペア:

[(1, 221504080), (2, 110752040), (4, 55376020), (5, 44300816), (7, 31643440), (8, 27688010), (10, 22150408), (14, 15821720), (16, 13844005), (20, 11075204), (28, 7910860), (35, 6328688), (40, 5537602), (56, 3955430), (70, 3164344), (80, 2768801), (112, 1977715), (140, 1582172), (280, 791086), (560, 395543)]