7281220

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2411}}^1$

素因数の和:2571

約数の個数: 24

約数和(自身を含む): 15398208

約数和(自身を除く): 8116988

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 2411, 3020, 4822, 9644, 12055, 24110, 48220, 364061, 728122, 1456244, 1820305, 3640610, 7281220]

約数ペア:

[(1, 7281220), (2, 3640610), (4, 1820305), (5, 1456244), (10, 728122), (20, 364061), (151, 48220), (302, 24110), (604, 12055), (755, 9644), (1510, 4822), (2411, 3020)]