211244440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{480101}}^1$

素因数の和:480123

約数の個数: 32

約数和(自身を含む): 518510160

約数和(自身を除く): 307265720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 480101, 960202, 1920404, 2400505, 3840808, 4801010, 5281111, 9602020, 10562222, 19204040, 21124444, 26405555, 42248888, 52811110, 105622220, 211244440]

約数ペア:

[(1, 211244440), (2, 105622220), (4, 52811110), (5, 42248888), (8, 26405555), (10, 21124444), (11, 19204040), (20, 10562222), (22, 9602020), (40, 5281111), (44, 4801010), (55, 3840808), (88, 2400505), (110, 1920404), (220, 960202), (440, 480101)]