254394910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{330383}}^1$

素因数の和:330408

約数の個数: 32

約数和(自身を含む): 570903552

約数和(自身を除く): 316508642

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 330383, 660766, 1651915, 2312681, 3303830, 3634213, 4625362, 7268426, 11563405, 18171065, 23126810, 25439491, 36342130, 50878982, 127197455, 254394910]

約数ペア:

[(1, 254394910), (2, 127197455), (5, 50878982), (7, 36342130), (10, 25439491), (11, 23126810), (14, 18171065), (22, 11563405), (35, 7268426), (55, 4625362), (70, 3634213), (77, 3303830), (110, 2312681), (154, 1651915), (385, 660766), (770, 330383)]