28745380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1709}}^1$

素因数の和:1776

約数の個数: 36

約数和(自身を含む): 62555220

約数和(自身を除く): 33809840

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 1709, 3364, 3418, 4205, 6836, 8410, 8545, 16820, 17090, 34180, 49561, 99122, 198244, 247805, 495610, 991220, 1437269, 2874538, 5749076, 7186345, 14372690, 28745380]

約数ペア:

[(1, 28745380), (2, 14372690), (4, 7186345), (5, 5749076), (10, 2874538), (20, 1437269), (29, 991220), (58, 495610), (116, 247805), (145, 198244), (290, 99122), (580, 49561), (841, 34180), (1682, 17090), (1709, 16820), (3364, 8545), (3418, 8410), (4205, 6836)]