2051275820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{67079}}^1$

素因数の和:67238

約数の個数: 48

約数和(自身を含む): 4733164800

約数和(自身を除く): 2681888980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 3058, 6116, 7645, 15290, 30580, 67079, 134158, 268316, 335395, 670790, 737869, 1341580, 1475738, 2951476, 3689345, 7378690, 9323981, 14757380, 18647962, 37295924, 46619905, 93239810, 102563791, 186479620, 205127582, 410255164, 512818955, 1025637910, 2051275820]

約数ペア:

[(1, 2051275820), (2, 1025637910), (4, 512818955), (5, 410255164), (10, 205127582), (11, 186479620), (20, 102563791), (22, 93239810), (44, 46619905), (55, 37295924), (110, 18647962), (139, 14757380), (220, 9323981), (278, 7378690), (556, 3689345), (695, 2951476), (1390, 1475738), (1529, 1341580), (2780, 737869), (3058, 670790), (6116, 335395), (7645, 268316), (15290, 134158), (30580, 67079)]