406086460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{3181}}^1$

素因数の和:3694

約数の個数: 48

約数和(自身を含む): 920539872

約数和(自身を除く): 514453412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 491, 982, 1964, 2455, 3181, 4910, 6362, 6383, 9820, 12724, 12766, 15905, 25532, 31810, 31915, 41353, 63620, 63830, 82706, 127660, 165412, 206765, 413530, 827060, 1561871, 3123742, 6247484, 7809355, 15618710, 20304323, 31237420, 40608646, 81217292, 101521615, 203043230, 406086460]

約数ペア:

[(1, 406086460), (2, 203043230), (4, 101521615), (5, 81217292), (10, 40608646), (13, 31237420), (20, 20304323), (26, 15618710), (52, 7809355), (65, 6247484), (130, 3123742), (260, 1561871), (491, 827060), (982, 413530), (1964, 206765), (2455, 165412), (3181, 127660), (4910, 82706), (6362, 63830), (6383, 63620), (9820, 41353), (12724, 31915), (12766, 31810), (15905, 25532)]