81755450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2143}}^1$

素因数の和:2271

約数の個数: 48

約数和(自身を含む): 175464960

約数和(自身を除く): 93709510

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 109, 175, 218, 350, 545, 763, 1090, 1526, 2143, 2725, 3815, 4286, 5450, 7630, 10715, 15001, 19075, 21430, 30002, 38150, 53575, 75005, 107150, 150010, 233587, 375025, 467174, 750050, 1167935, 1635109, 2335870, 3270218, 5839675, 8175545, 11679350, 16351090, 40877725, 81755450]

約数ペア:

[(1, 81755450), (2, 40877725), (5, 16351090), (7, 11679350), (10, 8175545), (14, 5839675), (25, 3270218), (35, 2335870), (50, 1635109), (70, 1167935), (109, 750050), (175, 467174), (218, 375025), (350, 233587), (545, 150010), (763, 107150), (1090, 75005), (1526, 53575), (2143, 38150), (2725, 30002), (3815, 21430), (4286, 19075), (5450, 15001), (7630, 10715)]