211394120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{754979}}^1$

素因数の和:754997

約数の個数: 32

約数和(自身を含む): 543585600

約数和(自身を除く): 332191480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 754979, 1509958, 3019916, 3774895, 5284853, 6039832, 7549790, 10569706, 15099580, 21139412, 26424265, 30199160, 42278824, 52848530, 105697060, 211394120]

約数ペア:

[(1, 211394120), (2, 105697060), (4, 52848530), (5, 42278824), (7, 30199160), (8, 26424265), (10, 21139412), (14, 15099580), (20, 10569706), (28, 7549790), (35, 6039832), (40, 5284853), (56, 3774895), (70, 3019916), (140, 1509958), (280, 754979)]