205046940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{488207}}^1$

素因数の和:488226

約数の個数: 48

約数和(自身を含む): 656151552

約数和(自身を除く): 451104612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 488207, 976414, 1464621, 1952828, 2441035, 2929242, 3417449, 4882070, 5858484, 6834898, 7323105, 9764140, 10252347, 13669796, 14646210, 17087245, 20504694, 29292420, 34174490, 41009388, 51261735, 68348980, 102523470, 205046940]

約数ペア:

[(1, 205046940), (2, 102523470), (3, 68348980), (4, 51261735), (5, 41009388), (6, 34174490), (7, 29292420), (10, 20504694), (12, 17087245), (14, 14646210), (15, 13669796), (20, 10252347), (21, 9764140), (28, 7323105), (30, 6834898), (35, 5858484), (42, 4882070), (60, 3417449), (70, 2929242), (84, 2441035), (105, 1952828), (140, 1464621), (210, 976414), (420, 488207)]