212260420

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{14969}}^1$

素因数の和:15687

約数の個数: 24

約数和(自身を含む): 446405400

約数和(自身を除く): 234144980

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2836, 3545, 7090, 14180, 14969, 29938, 59876, 74845, 149690, 299380, 10613021, 21226042, 42452084, 53065105, 106130210, 212260420]

約数ペア:

[(1, 212260420), (2, 106130210), (4, 53065105), (5, 42452084), (10, 21226042), (20, 10613021), (709, 299380), (1418, 149690), (2836, 74845), (3545, 59876), (7090, 29938), (14180, 14969)]