309879310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{26783}}^1$

素因数の和:26892

約数の個数: 32

約数和(自身を含む): 607461120

約数和(自身を除く): 297581810

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 11570, 26783, 53566, 133915, 267830, 348179, 696358, 1740895, 2383687, 3481790, 4767374, 11918435, 23836870, 30987931, 61975862, 154939655, 309879310]

約数ペア:

[(1, 309879310), (2, 154939655), (5, 61975862), (10, 30987931), (13, 23836870), (26, 11918435), (65, 4767374), (89, 3481790), (130, 2383687), (178, 1740895), (445, 696358), (890, 348179), (1157, 267830), (2314, 133915), (5785, 53566), (11570, 26783)]