121885960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{435307}}^1$

素因数の和:435325

約数の個数: 32

約数和(自身を含む): 313421760

約数和(自身を除く): 191535800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 435307, 870614, 1741228, 2176535, 3047149, 3482456, 4353070, 6094298, 8706140, 12188596, 15235745, 17412280, 24377192, 30471490, 60942980, 121885960]

約数ペア:

[(1, 121885960), (2, 60942980), (4, 30471490), (5, 24377192), (7, 17412280), (8, 15235745), (10, 12188596), (14, 8706140), (20, 6094298), (28, 4353070), (35, 3482456), (40, 3047149), (56, 2176535), (70, 1741228), (140, 870614), (280, 435307)]