2857187440

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{185051}}^1$

素因数の和:185257

約数の個数: 40

約数和(自身を含む): 6677416368

約数和(自身を除く): 3820228928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 185051, 370102, 740204, 925255, 1480408, 1850510, 2960816, 3701020, 7402040, 14804080, 35714843, 71429686, 142859372, 178574215, 285718744, 357148430, 571437488, 714296860, 1428593720, 2857187440]

約数ペア:

[(1, 2857187440), (2, 1428593720), (4, 714296860), (5, 571437488), (8, 357148430), (10, 285718744), (16, 178574215), (20, 142859372), (40, 71429686), (80, 35714843), (193, 14804080), (386, 7402040), (772, 3701020), (965, 2960816), (1544, 1850510), (1930, 1480408), (3088, 925255), (3860, 740204), (7720, 370102), (15440, 185051)]