189747140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{862487}}^1$

素因数の和:862507

約数の個数: 24

約数和(自身を含む): 434693952

約数和(自身を除く): 244946812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 862487, 1724974, 3449948, 4312435, 8624870, 9487357, 17249740, 18974714, 37949428, 47436785, 94873570, 189747140]

約数ペア:

[(1, 189747140), (2, 94873570), (4, 47436785), (5, 37949428), (10, 18974714), (11, 17249740), (20, 9487357), (22, 8624870), (44, 4312435), (55, 3449948), (110, 1724974), (220, 862487)]