211944920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{481693}}^1$

素因数の和:481715

約数の個数: 32

約数和(自身を含む): 520229520

約数和(自身を除く): 308284600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 481693, 963386, 1926772, 2408465, 3853544, 4816930, 5298623, 9633860, 10597246, 19267720, 21194492, 26493115, 42388984, 52986230, 105972460, 211944920]

約数ペア:

[(1, 211944920), (2, 105972460), (4, 52986230), (5, 42388984), (8, 26493115), (10, 21194492), (11, 19267720), (20, 10597246), (22, 9633860), (40, 5298623), (44, 4816930), (55, 3853544), (88, 2408465), (110, 1926772), (220, 963386), (440, 481693)]