90145690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{12823}}^1$

素因数の和:12886

約数の個数: 32

約数和(自身を含む): 175432320

約数和(自身を除く): 85286630

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 3515, 7030, 12823, 25646, 64115, 128230, 243637, 474451, 487274, 948902, 1218185, 2372255, 2436370, 4744510, 9014569, 18029138, 45072845, 90145690]

約数ペア:

[(1, 90145690), (2, 45072845), (5, 18029138), (10, 9014569), (19, 4744510), (37, 2436370), (38, 2372255), (74, 1218185), (95, 948902), (185, 487274), (190, 474451), (370, 243637), (703, 128230), (1406, 64115), (3515, 25646), (7030, 12823)]