2636620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 6511680

約数和(自身を除く): 3875060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 509, 518, 740, 1018, 1036, 1295, 2036, 2545, 2590, 3563, 5090, 5180, 7126, 10180, 14252, 17815, 18833, 35630, 37666, 71260, 75332, 94165, 131831, 188330, 263662, 376660, 527324, 659155, 1318310, 2636620]

約数ペア:

[(1, 2636620), (2, 1318310), (4, 659155), (5, 527324), (7, 376660), (10, 263662), (14, 188330), (20, 131831), (28, 94165), (35, 75332), (37, 71260), (70, 37666), (74, 35630), (140, 18833), (148, 17815), (185, 14252), (259, 10180), (370, 7126), (509, 5180), (518, 5090), (740, 3563), (1018, 2590), (1036, 2545), (1295, 2036)]