83406680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{297881}}^1$

素因数の和:297899

約数の個数: 32

約数和(自身を含む): 214475040

約数和(自身を除く): 131068360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 297881, 595762, 1191524, 1489405, 2085167, 2383048, 2978810, 4170334, 5957620, 8340668, 10425835, 11915240, 16681336, 20851670, 41703340, 83406680]

約数ペア:

[(1, 83406680), (2, 41703340), (4, 20851670), (5, 16681336), (7, 11915240), (8, 10425835), (10, 8340668), (14, 5957620), (20, 4170334), (28, 2978810), (35, 2383048), (40, 2085167), (56, 1489405), (70, 1191524), (140, 595762), (280, 297881)]