222788740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{655261}}^1$

素因数の和:655287

約数の個数: 24

約数和(自身を含む): 495378072

約数和(自身を除く): 272589332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 655261, 1310522, 2621044, 3276305, 6552610, 11139437, 13105220, 22278874, 44557748, 55697185, 111394370, 222788740]

約数ペア:

[(1, 222788740), (2, 111394370), (4, 55697185), (5, 44557748), (10, 22278874), (17, 13105220), (20, 11139437), (34, 6552610), (68, 3276305), (85, 2621044), (170, 1310522), (340, 655261)]