225690290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{7883}}^1$

素因数の和:8306

約数の個数: 32

約数和(自身を含む): 465471360

約数和(自身を除く): 239781070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 2045, 2863, 4090, 5726, 7883, 14315, 15766, 28630, 39415, 55181, 78830, 110362, 275905, 551810, 3224147, 6448294, 16120735, 22569029, 32241470, 45138058, 112845145, 225690290]

約数ペア:

[(1, 225690290), (2, 112845145), (5, 45138058), (7, 32241470), (10, 22569029), (14, 16120735), (35, 6448294), (70, 3224147), (409, 551810), (818, 275905), (2045, 110362), (2863, 78830), (4090, 55181), (5726, 39415), (7883, 28630), (14315, 15766)]