166570420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{489913}}^1$

素因数の和:489939

約数の個数: 24

約数和(自身を含む): 370374984

約数和(自身を除く): 203804564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 489913, 979826, 1959652, 2449565, 4899130, 8328521, 9798260, 16657042, 33314084, 41642605, 83285210, 166570420]

約数ペア:

[(1, 166570420), (2, 83285210), (4, 41642605), (5, 33314084), (10, 16657042), (17, 9798260), (20, 8328521), (34, 4899130), (68, 2449565), (85, 1959652), (170, 979826), (340, 489913)]