144386420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{176081}}^1$

素因数の和:176131

約数の個数: 24

約数和(自身を含む): 310608648

約数和(自身を除く): 166222228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 176081, 352162, 704324, 880405, 1760810, 3521620, 7219321, 14438642, 28877284, 36096605, 72193210, 144386420]

約数ペア:

[(1, 144386420), (2, 72193210), (4, 36096605), (5, 28877284), (10, 14438642), (20, 7219321), (41, 3521620), (82, 1760810), (164, 880405), (205, 704324), (410, 352162), (820, 176081)]