285438340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1297447}}^1$

素因数の和:1297467

約数の個数: 24

約数和(自身を含む): 653913792

約数和(自身を除く): 368475452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1297447, 2594894, 5189788, 6487235, 12974470, 14271917, 25948940, 28543834, 57087668, 71359585, 142719170, 285438340]

約数ペア:

[(1, 285438340), (2, 142719170), (4, 71359585), (5, 57087668), (10, 28543834), (11, 25948940), (20, 14271917), (22, 12974470), (44, 6487235), (55, 5189788), (110, 2594894), (220, 1297447)]