1495640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 3402000

約数和(自身を除く): 1906360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 269, 278, 538, 556, 695, 1076, 1112, 1345, 1390, 2152, 2690, 2780, 5380, 5560, 10760, 37391, 74782, 149564, 186955, 299128, 373910, 747820, 1495640]

約数ペア:

[(1, 1495640), (2, 747820), (4, 373910), (5, 299128), (8, 186955), (10, 149564), (20, 74782), (40, 37391), (139, 10760), (269, 5560), (278, 5380), (538, 2780), (556, 2690), (695, 2152), (1076, 1390), (1112, 1345)]