79221940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1289}}^1$

素因数の和:1744

約数の個数: 48

約数和(自身を含む): 190713600

約数和(自身を除く): 111491660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 878, 1289, 1756, 2195, 2578, 3073, 4390, 5156, 6146, 6445, 8780, 9023, 12292, 12890, 15365, 18046, 25780, 30730, 36092, 45115, 61460, 90230, 180460, 565871, 1131742, 2263484, 2829355, 3961097, 5658710, 7922194, 11317420, 15844388, 19805485, 39610970, 79221940]

約数ペア:

[(1, 79221940), (2, 39610970), (4, 19805485), (5, 15844388), (7, 11317420), (10, 7922194), (14, 5658710), (20, 3961097), (28, 2829355), (35, 2263484), (70, 1131742), (140, 565871), (439, 180460), (878, 90230), (1289, 61460), (1756, 45115), (2195, 36092), (2578, 30730), (3073, 25780), (4390, 18046), (5156, 15365), (6146, 12890), (6445, 12292), (8780, 9023)]