210054020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6869}}^1$

素因数の和:7028

約数の個数: 48

約数和(自身を含む): 484747200

約数和(自身を除く): 274693180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 3058, 6116, 6869, 7645, 13738, 15290, 27476, 30580, 34345, 68690, 75559, 137380, 151118, 302236, 377795, 755590, 954791, 1511180, 1909582, 3819164, 4773955, 9547910, 10502701, 19095820, 21005402, 42010804, 52513505, 105027010, 210054020]

約数ペア:

[(1, 210054020), (2, 105027010), (4, 52513505), (5, 42010804), (10, 21005402), (11, 19095820), (20, 10502701), (22, 9547910), (44, 4773955), (55, 3819164), (110, 1909582), (139, 1511180), (220, 954791), (278, 755590), (556, 377795), (695, 302236), (1390, 151118), (1529, 137380), (2780, 75559), (3058, 68690), (6116, 34345), (6869, 30580), (7645, 27476), (13738, 15290)]