201909740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{971}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 437469984

約数和(自身を除く): 235560244

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 281, 370, 562, 740, 971, 1124, 1405, 1942, 2810, 3884, 4855, 5620, 9710, 10397, 19420, 20794, 35927, 41588, 51985, 71854, 103970, 143708, 179635, 207940, 272851, 359270, 545702, 718540, 1091404, 1364255, 2728510, 5457020, 10095487, 20190974, 40381948, 50477435, 100954870, 201909740]

約数ペア:

[(1, 201909740), (2, 100954870), (4, 50477435), (5, 40381948), (10, 20190974), (20, 10095487), (37, 5457020), (74, 2728510), (148, 1364255), (185, 1091404), (281, 718540), (370, 545702), (562, 359270), (740, 272851), (971, 207940), (1124, 179635), (1405, 143708), (1942, 103970), (2810, 71854), (3884, 51985), (4855, 41588), (5620, 35927), (9710, 20794), (10397, 19420)]