220579348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{863}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 435746304

約数和(自身を除く): 215166956

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 157, 314, 407, 628, 814, 863, 1628, 1726, 1727, 3452, 3454, 5809, 6908, 9493, 11618, 18986, 23236, 31931, 37972, 63862, 63899, 127724, 127798, 135491, 255596, 270982, 351241, 541964, 702482, 1404964, 1490401, 2980802, 5013167, 5961604, 10026334, 20052668, 55144837, 110289674, 220579348]

約数ペア:

[(1, 220579348), (2, 110289674), (4, 55144837), (11, 20052668), (22, 10026334), (37, 5961604), (44, 5013167), (74, 2980802), (148, 1490401), (157, 1404964), (314, 702482), (407, 541964), (628, 351241), (814, 270982), (863, 255596), (1628, 135491), (1726, 127798), (1727, 127724), (3452, 63899), (3454, 63862), (5809, 37972), (6908, 31931), (9493, 23236), (11618, 18986)]