235456420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{85933}}^1$

素因数の和:86079

約数の個数: 24

約数和(自身を含む): 498073464

約数和(自身を除く): 262617044

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 85933, 171866, 343732, 429665, 859330, 1718660, 11772821, 23545642, 47091284, 58864105, 117728210, 235456420]

約数ペア:

[(1, 235456420), (2, 117728210), (4, 58864105), (5, 47091284), (10, 23545642), (20, 11772821), (137, 1718660), (274, 859330), (548, 429665), (685, 343732), (1370, 171866), (2740, 85933)]