209912690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{10837}}^1$

素因数の和:11006

約数の個数: 32

約数和(自身を含む): 409676400

約数和(自身を除く): 199763710

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 10837, 19370, 21674, 54185, 108370, 140881, 281762, 704405, 1408810, 1614713, 3229426, 8073565, 16147130, 20991269, 41982538, 104956345, 209912690]

約数ペア:

[(1, 209912690), (2, 104956345), (5, 41982538), (10, 20991269), (13, 16147130), (26, 8073565), (65, 3229426), (130, 1614713), (149, 1408810), (298, 704405), (745, 281762), (1490, 140881), (1937, 108370), (3874, 54185), (9685, 21674), (10837, 19370)]