1856660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 4334736

約数和(自身を除く): 2478076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 193, 260, 370, 386, 481, 740, 772, 962, 965, 1924, 1930, 2405, 2509, 3860, 4810, 5018, 7141, 9620, 10036, 12545, 14282, 25090, 28564, 35705, 50180, 71410, 92833, 142820, 185666, 371332, 464165, 928330, 1856660]

約数ペア:

[(1, 1856660), (2, 928330), (4, 464165), (5, 371332), (10, 185666), (13, 142820), (20, 92833), (26, 71410), (37, 50180), (52, 35705), (65, 28564), (74, 25090), (130, 14282), (148, 12545), (185, 10036), (193, 9620), (260, 7141), (370, 5018), (386, 4810), (481, 3860), (740, 2509), (772, 2405), (962, 1930), (965, 1924)]