2415820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 5644800

約数和(自身を除く): 3228980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 139, 158, 220, 278, 316, 395, 556, 695, 790, 869, 1390, 1529, 1580, 1738, 2780, 3058, 3476, 4345, 6116, 7645, 8690, 10981, 15290, 17380, 21962, 30580, 43924, 54905, 109810, 120791, 219620, 241582, 483164, 603955, 1207910, 2415820]

約数ペア:

[(1, 2415820), (2, 1207910), (4, 603955), (5, 483164), (10, 241582), (11, 219620), (20, 120791), (22, 109810), (44, 54905), (55, 43924), (79, 30580), (110, 21962), (139, 17380), (158, 15290), (220, 10981), (278, 8690), (316, 7645), (395, 6116), (556, 4345), (695, 3476), (790, 3058), (869, 2780), (1390, 1738), (1529, 1580)]