1909686520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{166349}}^1$

素因数の和:166408

約数の個数: 64

約数和(自身を含む): 5030424000

約数和(自身を除く): 3120737480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 166349, 332698, 665396, 831745, 1164443, 1330792, 1663490, 2328886, 3326980, 4657772, 5822215, 6653960, 6820309, 9315544, 11644430, 13640618, 23288860, 27281236, 34101545, 46577720, 47742163, 54562472, 68203090, 95484326, 136406180, 190968652, 238710815, 272812360, 381937304, 477421630, 954843260, 1909686520]

約数ペア:

[(1, 1909686520), (2, 954843260), (4, 477421630), (5, 381937304), (7, 272812360), (8, 238710815), (10, 190968652), (14, 136406180), (20, 95484326), (28, 68203090), (35, 54562472), (40, 47742163), (41, 46577720), (56, 34101545), (70, 27281236), (82, 23288860), (140, 13640618), (164, 11644430), (205, 9315544), (280, 6820309), (287, 6653960), (328, 5822215), (410, 4657772), (574, 3326980), (820, 2328886), (1148, 1663490), (1435, 1330792), (1640, 1164443), (2296, 831745), (2870, 665396), (5740, 332698), (11480, 166349)]