317636440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31387}}^1$

素因数の和:31432

約数の個数: 64

約数和(自身を含む): 813576960

約数和(自身を除く): 495940520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 31387, 62774, 125548, 156935, 251096, 313870, 345257, 627740, 690514, 721901, 1255480, 1381028, 1443802, 1726285, 2762056, 2887604, 3452570, 3609505, 5775208, 6905140, 7219010, 7940911, 13810280, 14438020, 15881822, 28876040, 31763644, 39704555, 63527288, 79409110, 158818220, 317636440]

約数ペア:

[(1, 317636440), (2, 158818220), (4, 79409110), (5, 63527288), (8, 39704555), (10, 31763644), (11, 28876040), (20, 15881822), (22, 14438020), (23, 13810280), (40, 7940911), (44, 7219010), (46, 6905140), (55, 5775208), (88, 3609505), (92, 3452570), (110, 2887604), (115, 2762056), (184, 1726285), (220, 1443802), (230, 1381028), (253, 1255480), (440, 721901), (460, 690514), (506, 627740), (920, 345257), (1012, 313870), (1265, 251096), (2024, 156935), (2530, 125548), (5060, 62774), (10120, 31387)]