207362980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6781}}^1$

素因数の和:6940

約数の個数: 48

約数和(自身を含む): 478537920

約数和(自身を除く): 271174940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 3058, 6116, 6781, 7645, 13562, 15290, 27124, 30580, 33905, 67810, 74591, 135620, 149182, 298364, 372955, 745910, 942559, 1491820, 1885118, 3770236, 4712795, 9425590, 10368149, 18851180, 20736298, 41472596, 51840745, 103681490, 207362980]

約数ペア:

[(1, 207362980), (2, 103681490), (4, 51840745), (5, 41472596), (10, 20736298), (11, 18851180), (20, 10368149), (22, 9425590), (44, 4712795), (55, 3770236), (110, 1885118), (139, 1491820), (220, 942559), (278, 745910), (556, 372955), (695, 298364), (1390, 149182), (1529, 135620), (2780, 74591), (3058, 67810), (6116, 33905), (6781, 30580), (7645, 27124), (13562, 15290)]