194173780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1021}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 420826896

約数和(自身を除く): 226653116

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 257, 370, 514, 740, 1021, 1028, 1285, 2042, 2570, 4084, 5105, 5140, 9509, 10210, 19018, 20420, 37777, 38036, 47545, 75554, 95090, 151108, 188885, 190180, 262397, 377770, 524794, 755540, 1049588, 1311985, 2623970, 5247940, 9708689, 19417378, 38834756, 48543445, 97086890, 194173780]

約数ペア:

[(1, 194173780), (2, 97086890), (4, 48543445), (5, 38834756), (10, 19417378), (20, 9708689), (37, 5247940), (74, 2623970), (148, 1311985), (185, 1049588), (257, 755540), (370, 524794), (514, 377770), (740, 262397), (1021, 190180), (1028, 188885), (1285, 151108), (2042, 95090), (2570, 75554), (4084, 47545), (5105, 38036), (5140, 37777), (9509, 20420), (10210, 19018)]