198267980

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{35279}}^1$

素因数の和:35569

約数の個数: 24

約数和(自身を含む): 417856320

約数和(自身を除く): 219588340

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 35279, 70558, 141116, 176395, 352790, 705580, 9913399, 19826798, 39653596, 49566995, 99133990, 198267980]

約数ペア:

[(1, 198267980), (2, 99133990), (4, 49566995), (5, 39653596), (10, 19826798), (20, 9913399), (281, 705580), (562, 352790), (1124, 176395), (1405, 141116), (2810, 70558), (5620, 35279)]