30121390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{881}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 58677696

約数和(自身を除く): 28556306

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 263, 526, 881, 1315, 1762, 2630, 3419, 4405, 6838, 8810, 11453, 17095, 22906, 34190, 57265, 114530, 231703, 463406, 1158515, 2317030, 3012139, 6024278, 15060695, 30121390]

約数ペア:

[(1, 30121390), (2, 15060695), (5, 6024278), (10, 3012139), (13, 2317030), (26, 1158515), (65, 463406), (130, 231703), (263, 114530), (526, 57265), (881, 34190), (1315, 22906), (1762, 17095), (2630, 11453), (3419, 8810), (4405, 6838)]