2678890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3391}}^1$

素因数の和:3477

約数の個数: 16

約数和(自身を含む): 4884480

約数和(自身を除く): 2205590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 3391, 6782, 16955, 33910, 267889, 535778, 1339445, 2678890]

約数ペア:

[(1, 2678890), (2, 1339445), (5, 535778), (10, 267889), (79, 33910), (158, 16955), (395, 6782), (790, 3391)]