133760420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{393413}}^1$

素因数の和:393439

約数の個数: 24

約数和(自身を含む): 297420984

約数和(自身を除く): 163660564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 393413, 786826, 1573652, 1967065, 3934130, 6688021, 7868260, 13376042, 26752084, 33440105, 66880210, 133760420]

約数ペア:

[(1, 133760420), (2, 66880210), (4, 33440105), (5, 26752084), (10, 13376042), (17, 7868260), (20, 6688021), (34, 3934130), (68, 1967065), (85, 1573652), (170, 786826), (340, 393413)]