131898340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25463}}^1$

素因数の和:25516

約数の個数: 48

約数和(自身を含む): 325124352

約数和(自身を除く): 193226012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 25463, 50926, 101852, 127315, 178241, 254630, 356482, 509260, 712964, 891205, 942131, 1782410, 1884262, 3564820, 3768524, 4710655, 6594917, 9421310, 13189834, 18842620, 26379668, 32974585, 65949170, 131898340]

約数ペア:

[(1, 131898340), (2, 65949170), (4, 32974585), (5, 26379668), (7, 18842620), (10, 13189834), (14, 9421310), (20, 6594917), (28, 4710655), (35, 3768524), (37, 3564820), (70, 1884262), (74, 1782410), (140, 942131), (148, 891205), (185, 712964), (259, 509260), (370, 356482), (518, 254630), (740, 178241), (1036, 127315), (1295, 101852), (2590, 50926), (5180, 25463)]