284443640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547007}}^1$

素因数の和:547031

約数の個数: 32

約数和(自身を含む): 689230080

約数和(自身を除く): 404786440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 547007, 1094014, 2188028, 2735035, 4376056, 5470070, 7111091, 10940140, 14222182, 21880280, 28444364, 35555455, 56888728, 71110910, 142221820, 284443640]

約数ペア:

[(1, 284443640), (2, 142221820), (4, 71110910), (5, 56888728), (8, 35555455), (10, 28444364), (13, 21880280), (20, 14222182), (26, 10940140), (40, 7111091), (52, 5470070), (65, 4376056), (104, 2735035), (130, 2188028), (260, 1094014), (520, 547007)]