194920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 479520

約数和(自身を除く): 284600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 443, 886, 1772, 2215, 3544, 4430, 4873, 8860, 9746, 17720, 19492, 24365, 38984, 48730, 97460, 194920]

約数ペア:

[(1, 194920), (2, 97460), (4, 48730), (5, 38984), (8, 24365), (10, 19492), (11, 17720), (20, 9746), (22, 8860), (40, 4873), (44, 4430), (55, 3544), (88, 2215), (110, 1772), (220, 886), (440, 443)]