278778850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4127}}^1$

素因数の和:4339

約数の個数: 48

約数和(自身を含む): 595819008

約数和(自身を除く): 317040158

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 193, 350, 386, 965, 1351, 1930, 2702, 4127, 4825, 6755, 8254, 9650, 13510, 20635, 28889, 33775, 41270, 57778, 67550, 103175, 144445, 206350, 288890, 722225, 796511, 1444450, 1593022, 3982555, 5575577, 7965110, 11151154, 19912775, 27877885, 39825550, 55755770, 139389425, 278778850]

約数ペア:

[(1, 278778850), (2, 139389425), (5, 55755770), (7, 39825550), (10, 27877885), (14, 19912775), (25, 11151154), (35, 7965110), (50, 5575577), (70, 3982555), (175, 1593022), (193, 1444450), (350, 796511), (386, 722225), (965, 288890), (1351, 206350), (1930, 144445), (2702, 103175), (4127, 67550), (4825, 57778), (6755, 41270), (8254, 33775), (9650, 28889), (13510, 20635)]