2100098180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{16073}}^1$

素因数の和:16268

約数の個数: 48

約数和(自身を含む): 4536725760

約数和(自身を除く): 2436627580

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 139, 188, 235, 278, 470, 556, 695, 940, 1390, 2780, 6533, 13066, 16073, 26132, 32146, 32665, 64292, 65330, 80365, 130660, 160730, 321460, 755431, 1510862, 2234147, 3021724, 3777155, 4468294, 7554310, 8936588, 11170735, 15108620, 22341470, 44682940, 105004909, 210009818, 420019636, 525024545, 1050049090, 2100098180]

約数ペア:

[(1, 2100098180), (2, 1050049090), (4, 525024545), (5, 420019636), (10, 210009818), (20, 105004909), (47, 44682940), (94, 22341470), (139, 15108620), (188, 11170735), (235, 8936588), (278, 7554310), (470, 4468294), (556, 3777155), (695, 3021724), (940, 2234147), (1390, 1510862), (2780, 755431), (6533, 321460), (13066, 160730), (16073, 130660), (26132, 80365), (32146, 65330), (32665, 64292)]