213644140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{227281}}^1$

素因数の和:227337

約数の個数: 24

約数和(自身を含む): 458200512

約数和(自身を除く): 244556372

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 227281, 454562, 909124, 1136405, 2272810, 4545620, 10682207, 21364414, 42728828, 53411035, 106822070, 213644140]

約数ペア:

[(1, 213644140), (2, 106822070), (4, 53411035), (5, 42728828), (10, 21364414), (20, 10682207), (47, 4545620), (94, 2272810), (188, 1136405), (235, 909124), (470, 454562), (940, 227281)]