130838960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233641}}^1$

素因数の和:233661

約数の個数: 40

約数和(自身を含む): 347659296

約数和(自身を除く): 216820336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 233641, 467282, 934564, 1168205, 1635487, 1869128, 2336410, 3270974, 3738256, 4672820, 6541948, 8177435, 9345640, 13083896, 16354870, 18691280, 26167792, 32709740, 65419480, 130838960]

約数ペア:

[(1, 130838960), (2, 65419480), (4, 32709740), (5, 26167792), (7, 18691280), (8, 16354870), (10, 13083896), (14, 9345640), (16, 8177435), (20, 6541948), (28, 4672820), (35, 3738256), (40, 3270974), (56, 2336410), (70, 1869128), (80, 1635487), (112, 1168205), (140, 934564), (280, 467282), (560, 233641)]