78217580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{797}}^1$

素因数の和:1514

約数の個数: 48

約数和(自身を含む): 188225856

約数和(自身を除く): 110008276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 701, 797, 1402, 1594, 2804, 3188, 3505, 3985, 4907, 5579, 7010, 7970, 9814, 11158, 14020, 15940, 19628, 22316, 24535, 27895, 49070, 55790, 98140, 111580, 558697, 1117394, 2234788, 2793485, 3910879, 5586970, 7821758, 11173940, 15643516, 19554395, 39108790, 78217580]

約数ペア:

[(1, 78217580), (2, 39108790), (4, 19554395), (5, 15643516), (7, 11173940), (10, 7821758), (14, 5586970), (20, 3910879), (28, 2793485), (35, 2234788), (70, 1117394), (140, 558697), (701, 111580), (797, 98140), (1402, 55790), (1594, 49070), (2804, 27895), (3188, 24535), (3505, 22316), (3985, 19628), (4907, 15940), (5579, 14020), (7010, 11158), (7970, 9814)]