131191760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{234271}}^1$

素因数の和:234291

約数の個数: 40

約数和(自身を含む): 348596736

約数和(自身を除く): 217404976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 234271, 468542, 937084, 1171355, 1639897, 1874168, 2342710, 3279794, 3748336, 4685420, 6559588, 8199485, 9370840, 13119176, 16398970, 18741680, 26238352, 32797940, 65595880, 131191760]

約数ペア:

[(1, 131191760), (2, 65595880), (4, 32797940), (5, 26238352), (7, 18741680), (8, 16398970), (10, 13119176), (14, 9370840), (16, 8199485), (20, 6559588), (28, 4685420), (35, 3748336), (40, 3279794), (56, 2342710), (70, 1874168), (80, 1639897), (112, 1171355), (140, 937084), (280, 468542), (560, 234271)]