198695210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{20719}}^1$

素因数の和:20870

約数の個数: 32

約数和(自身を含む): 411747840

約数和(自身を除く): 213052630

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 4795, 9590, 20719, 41438, 103595, 145033, 207190, 290066, 725165, 1450330, 2838503, 5677006, 14192515, 19869521, 28385030, 39739042, 99347605, 198695210]

約数ペア:

[(1, 198695210), (2, 99347605), (5, 39739042), (7, 28385030), (10, 19869521), (14, 14192515), (35, 5677006), (70, 2838503), (137, 1450330), (274, 725165), (685, 290066), (959, 207190), (1370, 145033), (1918, 103595), (4795, 41438), (9590, 20719)]