287702990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{1171}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 526556160

約数和(自身を除く): 238853170

約数列:

[1, 2, 5, 10, 79, 158, 311, 395, 622, 790, 1171, 1555, 2342, 3110, 5855, 11710, 24569, 49138, 92509, 122845, 185018, 245690, 364181, 462545, 728362, 925090, 1820905, 3641810, 28770299, 57540598, 143851495, 287702990]

約数ペア:

[(1, 287702990), (2, 143851495), (5, 57540598), (10, 28770299), (79, 3641810), (158, 1820905), (311, 925090), (395, 728362), (622, 462545), (790, 364181), (1171, 245690), (1555, 185018), (2342, 122845), (3110, 92509), (5855, 49138), (11710, 24569)]