122705240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{438233}}^1$

素因数の和:438251

約数の個数: 32

約数和(自身を含む): 315528480

約数和(自身を除く): 192823240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 438233, 876466, 1752932, 2191165, 3067631, 3505864, 4382330, 6135262, 8764660, 12270524, 15338155, 17529320, 24541048, 30676310, 61352620, 122705240]

約数ペア:

[(1, 122705240), (2, 61352620), (4, 30676310), (5, 24541048), (7, 17529320), (8, 15338155), (10, 12270524), (14, 8764660), (20, 6135262), (28, 4382330), (35, 3505864), (40, 3067631), (56, 2191165), (70, 1752932), (140, 876466), (280, 438233)]