219954340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{268237}}^1$

素因数の和:268287

約数の個数: 24

約数和(自身を含む): 473171832

約数和(自身を除く): 253217492

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 268237, 536474, 1072948, 1341185, 2682370, 5364740, 10997717, 21995434, 43990868, 54988585, 109977170, 219954340]

約数ペア:

[(1, 219954340), (2, 109977170), (4, 54988585), (5, 43990868), (10, 21995434), (20, 10997717), (41, 5364740), (82, 2682370), (164, 1341185), (205, 1072948), (410, 536474), (820, 268237)]