280803620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{7577}}^1$

素因数の和:7712

約数の個数: 48

約数和(自身を含む): 630186480

約数和(自身を除く): 349382860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 3706, 7412, 7577, 9265, 15154, 18530, 30308, 37060, 37885, 75770, 128809, 151540, 257618, 515236, 644045, 825893, 1288090, 1651786, 2576180, 3303572, 4129465, 8258930, 14040181, 16517860, 28080362, 56160724, 70200905, 140401810, 280803620]

約数ペア:

[(1, 280803620), (2, 140401810), (4, 70200905), (5, 56160724), (10, 28080362), (17, 16517860), (20, 14040181), (34, 8258930), (68, 4129465), (85, 3303572), (109, 2576180), (170, 1651786), (218, 1288090), (340, 825893), (436, 644045), (545, 515236), (1090, 257618), (1853, 151540), (2180, 128809), (3706, 75770), (7412, 37885), (7577, 37060), (9265, 30308), (15154, 18530)]