918469640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{7937}}^1$

素因数の和:8222

約数の個数: 64

約数和(自身を含む): 2263282560

約数和(自身を除く): 1344812920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 263, 440, 526, 1052, 1315, 2104, 2630, 2893, 5260, 5786, 7937, 10520, 11572, 14465, 15874, 23144, 28930, 31748, 39685, 57860, 63496, 79370, 87307, 115720, 158740, 174614, 317480, 349228, 436535, 698456, 873070, 1746140, 2087431, 3492280, 4174862, 8349724, 10437155, 16699448, 20874310, 22961741, 41748620, 45923482, 83497240, 91846964, 114808705, 183693928, 229617410, 459234820, 918469640]

約数ペア:

[(1, 918469640), (2, 459234820), (4, 229617410), (5, 183693928), (8, 114808705), (10, 91846964), (11, 83497240), (20, 45923482), (22, 41748620), (40, 22961741), (44, 20874310), (55, 16699448), (88, 10437155), (110, 8349724), (220, 4174862), (263, 3492280), (440, 2087431), (526, 1746140), (1052, 873070), (1315, 698456), (2104, 436535), (2630, 349228), (2893, 317480), (5260, 174614), (5786, 158740), (7937, 115720), (10520, 87307), (11572, 79370), (14465, 63496), (15874, 57860), (23144, 39685), (28930, 31748)]