7871380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{967}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 18539136

約数和(自身を除く): 10667756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 967, 1628, 1934, 2035, 3868, 4070, 4835, 8140, 9670, 10637, 19340, 21274, 35779, 42548, 53185, 71558, 106370, 143116, 178895, 212740, 357790, 393569, 715580, 787138, 1574276, 1967845, 3935690, 7871380]

約数ペア:

[(1, 7871380), (2, 3935690), (4, 1967845), (5, 1574276), (10, 787138), (11, 715580), (20, 393569), (22, 357790), (37, 212740), (44, 178895), (55, 143116), (74, 106370), (110, 71558), (148, 53185), (185, 42548), (220, 35779), (370, 21274), (407, 19340), (740, 10637), (814, 9670), (967, 8140), (1628, 4835), (1934, 4070), (2035, 3868)]