299420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1361}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 686448

約数和(自身を除く): 387028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1361, 2722, 5444, 6805, 13610, 14971, 27220, 29942, 59884, 74855, 149710, 299420]

約数ペア:

[(1, 299420), (2, 149710), (4, 74855), (5, 59884), (10, 29942), (11, 27220), (20, 14971), (22, 13610), (44, 6805), (55, 5444), (110, 2722), (220, 1361)]