78270220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2063}}^1$

素因数の和:2350

約数の個数: 48

約数和(自身を含む): 188633088

約数和(自身を除く): 110362868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 1084, 1355, 1897, 2063, 2710, 3794, 4126, 5420, 7588, 8252, 9485, 10315, 14441, 18970, 20630, 28882, 37940, 41260, 57764, 72205, 144410, 288820, 559073, 1118146, 2236292, 2795365, 3913511, 5590730, 7827022, 11181460, 15654044, 19567555, 39135110, 78270220]

約数ペア:

[(1, 78270220), (2, 39135110), (4, 19567555), (5, 15654044), (7, 11181460), (10, 7827022), (14, 5590730), (20, 3913511), (28, 2795365), (35, 2236292), (70, 1118146), (140, 559073), (271, 288820), (542, 144410), (1084, 72205), (1355, 57764), (1897, 41260), (2063, 37940), (2710, 28882), (3794, 20630), (4126, 18970), (5420, 14441), (7588, 10315), (8252, 9485)]