145577320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{519919}}^1$

素因数の和:519937

約数の個数: 32

約数和(自身を含む): 374342400

約数和(自身を除く): 228765080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 519919, 1039838, 2079676, 2599595, 3639433, 4159352, 5199190, 7278866, 10398380, 14557732, 18197165, 20796760, 29115464, 36394330, 72788660, 145577320]

約数ペア:

[(1, 145577320), (2, 72788660), (4, 36394330), (5, 29115464), (7, 20796760), (8, 18197165), (10, 14557732), (14, 10398380), (20, 7278866), (28, 5199190), (35, 4159352), (40, 3639433), (56, 2599595), (70, 2079676), (140, 1039838), (280, 519919)]