488996860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{51691}}^1$

素因数の和:51754

約数の個数: 48

約数和(自身を含む): 1146321792

約数和(自身を除く): 657324932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 51691, 103382, 206764, 258455, 516910, 568601, 1033820, 1137202, 2222713, 2274404, 2843005, 4445426, 5686010, 8890852, 11113565, 11372020, 22227130, 24449843, 44454260, 48899686, 97799372, 122249215, 244498430, 488996860]

約数ペア:

[(1, 488996860), (2, 244498430), (4, 122249215), (5, 97799372), (10, 48899686), (11, 44454260), (20, 24449843), (22, 22227130), (43, 11372020), (44, 11113565), (55, 8890852), (86, 5686010), (110, 4445426), (172, 2843005), (215, 2274404), (220, 2222713), (430, 1137202), (473, 1033820), (860, 568601), (946, 516910), (1892, 258455), (2365, 206764), (4730, 103382), (9460, 51691)]