142382020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{2081}}^1$

素因数の和:2412

約数の個数: 48

約数和(自身を含む): 327390336

約数和(自身を除く): 185008316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 311, 622, 1244, 1555, 2081, 3110, 3421, 4162, 6220, 6842, 8324, 10405, 13684, 17105, 20810, 22891, 34210, 41620, 45782, 68420, 91564, 114455, 228910, 457820, 647191, 1294382, 2588764, 3235955, 6471910, 7119101, 12943820, 14238202, 28476404, 35595505, 71191010, 142382020]

約数ペア:

[(1, 142382020), (2, 71191010), (4, 35595505), (5, 28476404), (10, 14238202), (11, 12943820), (20, 7119101), (22, 6471910), (44, 3235955), (55, 2588764), (110, 1294382), (220, 647191), (311, 457820), (622, 228910), (1244, 114455), (1555, 91564), (2081, 68420), (3110, 45782), (3421, 41620), (4162, 34210), (6220, 22891), (6842, 20810), (8324, 17105), (10405, 13684)]