201686420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4759}}^1$

素因数の和:4944

約数の個数: 48

約数和(自身を含む): 459016320

約数和(自身を除く): 257329900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 652, 815, 1630, 2119, 3260, 4238, 4759, 8476, 9518, 10595, 19036, 21190, 23795, 42380, 47590, 61867, 95180, 123734, 247468, 309335, 618670, 775717, 1237340, 1551434, 3102868, 3878585, 7757170, 10084321, 15514340, 20168642, 40337284, 50421605, 100843210, 201686420]

約数ペア:

[(1, 201686420), (2, 100843210), (4, 50421605), (5, 40337284), (10, 20168642), (13, 15514340), (20, 10084321), (26, 7757170), (52, 3878585), (65, 3102868), (130, 1551434), (163, 1237340), (260, 775717), (326, 618670), (652, 309335), (815, 247468), (1630, 123734), (2119, 95180), (3260, 61867), (4238, 47590), (4759, 42380), (8476, 23795), (9518, 21190), (10595, 19036)]