291348520

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{27077}}^1$

素因数の和:27357

約数の個数: 32

約数和(自身を含む): 657995400

約数和(自身を除く): 366646880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 27077, 54154, 108308, 135385, 216616, 270770, 541540, 1083080, 7283713, 14567426, 29134852, 36418565, 58269704, 72837130, 145674260, 291348520]

約数ペア:

[(1, 291348520), (2, 145674260), (4, 72837130), (5, 58269704), (8, 36418565), (10, 29134852), (20, 14567426), (40, 7283713), (269, 1083080), (538, 541540), (1076, 270770), (1345, 216616), (2152, 135385), (2690, 108308), (5380, 54154), (10760, 27077)]