69428540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{22111}}^1$

素因数の和:22277

約数の個数: 24

約数和(自身を含む): 146735232

約数和(自身を除く): 77306692

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 22111, 44222, 88444, 110555, 221110, 442220, 3471427, 6942854, 13885708, 17357135, 34714270, 69428540]

約数ペア:

[(1, 69428540), (2, 34714270), (4, 17357135), (5, 13885708), (10, 6942854), (20, 3471427), (157, 442220), (314, 221110), (628, 110555), (785, 88444), (1570, 44222), (3140, 22111)]