202154920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{459443}}^1$

素因数の和:459465

約数の個数: 32

約数和(自身を含む): 496199520

約数和(自身を除く): 294044600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 459443, 918886, 1837772, 2297215, 3675544, 4594430, 5053873, 9188860, 10107746, 18377720, 20215492, 25269365, 40430984, 50538730, 101077460, 202154920]

約数ペア:

[(1, 202154920), (2, 101077460), (4, 50538730), (5, 40430984), (8, 25269365), (10, 20215492), (11, 18377720), (20, 10107746), (22, 9188860), (40, 5053873), (44, 4594430), (55, 3675544), (88, 2297215), (110, 1837772), (220, 918886), (440, 459443)]