131148260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1283}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 291211200

約数和(自身を除く): 160062940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 269, 380, 538, 1076, 1283, 1345, 2566, 2690, 5111, 5132, 5380, 6415, 10222, 12830, 20444, 24377, 25555, 25660, 48754, 51110, 97508, 102220, 121885, 243770, 345127, 487540, 690254, 1380508, 1725635, 3451270, 6557413, 6902540, 13114826, 26229652, 32787065, 65574130, 131148260]

約数ペア:

[(1, 131148260), (2, 65574130), (4, 32787065), (5, 26229652), (10, 13114826), (19, 6902540), (20, 6557413), (38, 3451270), (76, 1725635), (95, 1380508), (190, 690254), (269, 487540), (380, 345127), (538, 243770), (1076, 121885), (1283, 102220), (1345, 97508), (2566, 51110), (2690, 48754), (5111, 25660), (5132, 25555), (5380, 24377), (6415, 20444), (10222, 12830)]