131449540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{461}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 282910320

約数和(自身を除く): 151460780

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 269, 461, 530, 538, 922, 1060, 1076, 1345, 1844, 2305, 2690, 4610, 5380, 9220, 14257, 24433, 28514, 48866, 57028, 71285, 97732, 122165, 124009, 142570, 244330, 248018, 285140, 488660, 496036, 620045, 1240090, 2480180, 6572477, 13144954, 26289908, 32862385, 65724770, 131449540]

約数ペア:

[(1, 131449540), (2, 65724770), (4, 32862385), (5, 26289908), (10, 13144954), (20, 6572477), (53, 2480180), (106, 1240090), (212, 620045), (265, 496036), (269, 488660), (461, 285140), (530, 248018), (538, 244330), (922, 142570), (1060, 124009), (1076, 122165), (1345, 97732), (1844, 71285), (2305, 57028), (2690, 48866), (4610, 28514), (5380, 24433), (9220, 14257)]