222709540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271597}}^1$

素因数の和:271647

約数の個数: 24

約数和(自身を含む): 479098872

約数和(自身を除く): 256389332

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 271597, 543194, 1086388, 1357985, 2715970, 5431940, 11135477, 22270954, 44541908, 55677385, 111354770, 222709540]

約数ペア:

[(1, 222709540), (2, 111354770), (4, 55677385), (5, 44541908), (10, 22270954), (20, 11135477), (41, 5431940), (82, 2715970), (164, 1357985), (205, 1086388), (410, 543194), (820, 271597)]