286890920

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{27271}}^1$

素因数の和:27545

約数の個数: 32

約数和(自身を含む): 647982720

約数和(自身を除く): 361091800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 27271, 54542, 109084, 136355, 218168, 272710, 545420, 1090840, 7172273, 14344546, 28689092, 35861365, 57378184, 71722730, 143445460, 286890920]

約数ペア:

[(1, 286890920), (2, 143445460), (4, 71722730), (5, 57378184), (8, 35861365), (10, 28689092), (20, 14344546), (40, 7172273), (263, 1090840), (526, 545420), (1052, 272710), (1315, 218168), (2104, 136355), (2630, 109084), (5260, 54542), (10520, 27271)]