205173640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17041}}^1$

素因数の和:17102

約数の個数: 64

約数和(自身を含む): 539890560

約数和(自身を除く): 334716920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 17041, 34082, 68164, 85205, 119287, 136328, 170410, 238574, 340820, 477148, 596435, 681640, 732763, 954296, 1192870, 1465526, 2385740, 2931052, 3663815, 4771480, 5129341, 5862104, 7327630, 10258682, 14655260, 20517364, 25646705, 29310520, 41034728, 51293410, 102586820, 205173640]

約数ペア:

[(1, 205173640), (2, 102586820), (4, 51293410), (5, 41034728), (7, 29310520), (8, 25646705), (10, 20517364), (14, 14655260), (20, 10258682), (28, 7327630), (35, 5862104), (40, 5129341), (43, 4771480), (56, 3663815), (70, 2931052), (86, 2385740), (140, 1465526), (172, 1192870), (215, 954296), (280, 732763), (301, 681640), (344, 596435), (430, 477148), (602, 340820), (860, 238574), (1204, 170410), (1505, 136328), (1720, 119287), (2408, 85205), (3010, 68164), (6020, 34082), (12040, 17041)]