840147170

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1253951}}^1$

素因数の和:1254025

約数の個数: 16

約数和(自身を含む): 1534837248

約数和(自身を除く): 694690078

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 1253951, 2507902, 6269755, 12539510, 84014717, 168029434, 420073585, 840147170]

約数ペア:

[(1, 840147170), (2, 420073585), (5, 168029434), (10, 84014717), (67, 12539510), (134, 6269755), (335, 2507902), (670, 1253951)]