71961800

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3301}}^1$

素因数の和:3426

約数の個数: 48

約数和(自身を含む): 168897300

約数和(自身を除く): 96935500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 872, 1090, 2180, 2725, 3301, 4360, 5450, 6602, 10900, 13204, 16505, 21800, 26408, 33010, 66020, 82525, 132040, 165050, 330100, 359809, 660200, 719618, 1439236, 1799045, 2878472, 3598090, 7196180, 8995225, 14392360, 17990450, 35980900, 71961800]

約数ペア:

[(1, 71961800), (2, 35980900), (4, 17990450), (5, 14392360), (8, 8995225), (10, 7196180), (20, 3598090), (25, 2878472), (40, 1799045), (50, 1439236), (100, 719618), (109, 660200), (200, 359809), (218, 330100), (436, 165050), (545, 132040), (872, 82525), (1090, 66020), (2180, 33010), (2725, 26408), (3301, 21800), (4360, 16505), (5450, 13204), (6602, 10900)]