217437920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{194141}}^1$

素因数の和:194163

約数の個数: 48

約数和(自身を含む): 587085408

約数和(自身を除く): 369647488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 194141, 388282, 776564, 970705, 1358987, 1553128, 1941410, 2717974, 3106256, 3882820, 5435948, 6212512, 6794935, 7765640, 10871896, 13589870, 15531280, 21743792, 27179740, 31062560, 43487584, 54359480, 108718960, 217437920]

約数ペア:

[(1, 217437920), (2, 108718960), (4, 54359480), (5, 43487584), (7, 31062560), (8, 27179740), (10, 21743792), (14, 15531280), (16, 13589870), (20, 10871896), (28, 7765640), (32, 6794935), (35, 6212512), (40, 5435948), (56, 3882820), (70, 3106256), (80, 2717974), (112, 1941410), (140, 1553128), (160, 1358987), (224, 970705), (280, 776564), (560, 388282), (1120, 194141)]