27820730

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{8111}}^1$

素因数の和:8139

約数の個数: 32

約数和(自身を含む): 58406400

約数和(自身を除く): 30585670

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 8111, 16222, 40555, 56777, 81110, 113554, 283885, 397439, 567770, 794878, 1987195, 2782073, 3974390, 5564146, 13910365, 27820730]

約数ペア:

[(1, 27820730), (2, 13910365), (5, 5564146), (7, 3974390), (10, 2782073), (14, 1987195), (35, 794878), (49, 567770), (70, 397439), (98, 283885), (245, 113554), (343, 81110), (490, 56777), (686, 40555), (1715, 16222), (3430, 8111)]