131813980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{178127}}^1$

素因数の和:178173

約数の個数: 24

約数和(自身を含む): 284292288

約数和(自身を除く): 152478308

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 178127, 356254, 712508, 890635, 1781270, 3562540, 6590699, 13181398, 26362796, 32953495, 65906990, 131813980]

約数ペア:

[(1, 131813980), (2, 65906990), (4, 32953495), (5, 26362796), (10, 13181398), (20, 6590699), (37, 3562540), (74, 1781270), (148, 890635), (185, 712508), (370, 356254), (740, 178127)]