212406920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{482743}}^1$

素因数の和:482765

約数の個数: 32

約数和(自身を含む): 521363520

約数和(自身を除く): 308956600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 482743, 965486, 1930972, 2413715, 3861944, 4827430, 5310173, 9654860, 10620346, 19309720, 21240692, 26550865, 42481384, 53101730, 106203460, 212406920]

約数ペア:

[(1, 212406920), (2, 106203460), (4, 53101730), (5, 42481384), (8, 26550865), (10, 21240692), (11, 19309720), (20, 10620346), (22, 9654860), (40, 5310173), (44, 4827430), (55, 3861944), (88, 2413715), (110, 1930972), (220, 965486), (440, 482743)]