17654140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2683}}^1$

素因数の和:2746

約数の個数: 48

約数和(自身を含む): 43287552

約数和(自身を除く): 25633412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2683, 3290, 5366, 6580, 10732, 13415, 18781, 26830, 37562, 53660, 75124, 93905, 126101, 187810, 252202, 375620, 504404, 630505, 882707, 1261010, 1765414, 2522020, 3530828, 4413535, 8827070, 17654140]

約数ペア:

[(1, 17654140), (2, 8827070), (4, 4413535), (5, 3530828), (7, 2522020), (10, 1765414), (14, 1261010), (20, 882707), (28, 630505), (35, 504404), (47, 375620), (70, 252202), (94, 187810), (140, 126101), (188, 93905), (235, 75124), (329, 53660), (470, 37562), (658, 26830), (940, 18781), (1316, 13415), (1645, 10732), (2683, 6580), (3290, 5366)]