28090370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^2$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 63370944

約数和(自身を除く): 35280574

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 191, 382, 385, 770, 955, 1337, 1910, 2101, 2674, 4202, 6685, 10505, 13370, 14707, 21010, 29414, 36481, 72962, 73535, 147070, 182405, 255367, 364810, 401291, 510734, 802582, 1276835, 2006455, 2553670, 2809037, 4012910, 5618074, 14045185, 28090370]

約数ペア:

[(1, 28090370), (2, 14045185), (5, 5618074), (7, 4012910), (10, 2809037), (11, 2553670), (14, 2006455), (22, 1276835), (35, 802582), (55, 510734), (70, 401291), (77, 364810), (110, 255367), (154, 182405), (191, 147070), (382, 73535), (385, 72962), (770, 36481), (955, 29414), (1337, 21010), (1910, 14707), (2101, 13370), (2674, 10505), (4202, 6685)]