222775480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1663}}^1$

素因数の和:1888

約数の個数: 64

約数和(自身を含む): 533744640

約数和(自身を除く): 310969160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 197, 340, 394, 680, 788, 985, 1576, 1663, 1970, 3326, 3349, 3940, 6652, 6698, 7880, 8315, 13304, 13396, 16630, 16745, 26792, 28271, 33260, 33490, 56542, 66520, 66980, 113084, 133960, 141355, 226168, 282710, 327611, 565420, 655222, 1130840, 1310444, 1638055, 2620888, 3276110, 5569387, 6552220, 11138774, 13104440, 22277548, 27846935, 44555096, 55693870, 111387740, 222775480]

約数ペア:

[(1, 222775480), (2, 111387740), (4, 55693870), (5, 44555096), (8, 27846935), (10, 22277548), (17, 13104440), (20, 11138774), (34, 6552220), (40, 5569387), (68, 3276110), (85, 2620888), (136, 1638055), (170, 1310444), (197, 1130840), (340, 655222), (394, 565420), (680, 327611), (788, 282710), (985, 226168), (1576, 141355), (1663, 133960), (1970, 113084), (3326, 66980), (3349, 66520), (3940, 56542), (6652, 33490), (6698, 33260), (7880, 28271), (8315, 26792), (13304, 16745), (13396, 16630)]