78903980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{106627}}^1$

素因数の和:106673

約数の個数: 24

約数和(自身を含む): 170178288

約数和(自身を除く): 91274308

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 106627, 213254, 426508, 533135, 1066270, 2132540, 3945199, 7890398, 15780796, 19725995, 39451990, 78903980]

約数ペア:

[(1, 78903980), (2, 39451990), (4, 19725995), (5, 15780796), (10, 7890398), (20, 3945199), (37, 2132540), (74, 1066270), (148, 533135), (185, 426508), (370, 213254), (740, 106627)]