823760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1471}}^1$

素因数の和:1491

約数の個数: 40

約数和(自身を含む): 2190336

約数和(自身を除く): 1366576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1471, 2942, 5884, 7355, 10297, 11768, 14710, 20594, 23536, 29420, 41188, 51485, 58840, 82376, 102970, 117680, 164752, 205940, 411880, 823760]

約数ペア:

[(1, 823760), (2, 411880), (4, 205940), (5, 164752), (7, 117680), (8, 102970), (10, 82376), (14, 58840), (16, 51485), (20, 41188), (28, 29420), (35, 23536), (40, 20594), (56, 14710), (70, 11768), (80, 10297), (112, 7355), (140, 5884), (280, 2942), (560, 1471)]