1951319090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{255743}}^1$

素因数の和:255866

約数の個数: 32

約数和(自身を含む): 4050984960

約数和(自身を除く): 2099665870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 3815, 7630, 255743, 511486, 1278715, 1790201, 2557430, 3580402, 8951005, 17902010, 27875987, 55751974, 139379935, 195131909, 278759870, 390263818, 975659545, 1951319090]

約数ペア:

[(1, 1951319090), (2, 975659545), (5, 390263818), (7, 278759870), (10, 195131909), (14, 139379935), (35, 55751974), (70, 27875987), (109, 17902010), (218, 8951005), (545, 3580402), (763, 2557430), (1090, 1790201), (1526, 1278715), (3815, 511486), (7630, 255743)]