680166430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4000979}}^1$

素因数の和:4001003

約数の個数: 16

約数和(自身を含む): 1296317520

約数和(自身を除く): 616151090

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 4000979, 8001958, 20004895, 40009790, 68016643, 136033286, 340083215, 680166430]

約数ペア:

[(1, 680166430), (2, 340083215), (5, 136033286), (10, 68016643), (17, 40009790), (34, 20004895), (85, 8001958), (170, 4000979)]