304879540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{19979}}^1$

素因数の和:20104

約数の個数: 48

約数和(自身を含む): 738460800

約数和(自身を除く): 433581260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 19979, 39958, 79916, 99895, 139853, 199790, 279706, 399580, 559412, 699265, 1398530, 2177711, 2797060, 4355422, 8710844, 10888555, 15243977, 21777110, 30487954, 43554220, 60975908, 76219885, 152439770, 304879540]

約数ペア:

[(1, 304879540), (2, 152439770), (4, 76219885), (5, 60975908), (7, 43554220), (10, 30487954), (14, 21777110), (20, 15243977), (28, 10888555), (35, 8710844), (70, 4355422), (109, 2797060), (140, 2177711), (218, 1398530), (436, 699265), (545, 559412), (763, 399580), (1090, 279706), (1526, 199790), (2180, 139853), (3052, 99895), (3815, 79916), (7630, 39958), (15260, 19979)]