314140

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 670320

約数和(自身を除く): 356180

約数列:

[1, 2, 4, 5, 10, 20, 113, 139, 226, 278, 452, 556, 565, 695, 1130, 1390, 2260, 2780, 15707, 31414, 62828, 78535, 157070, 314140]

約数ペア:

[(1, 314140), (2, 157070), (4, 78535), (5, 62828), (10, 31414), (20, 15707), (113, 2780), (139, 2260), (226, 1390), (278, 1130), (452, 695), (556, 565)]