395121890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{20149}}^1$

素因数の和:20246

約数の個数: 32

約数和(自身を含む): 744260400

約数和(自身を除く): 349138510

約数列:

[1, 2, 5, 10, 37, 53, 74, 106, 185, 265, 370, 530, 1961, 3922, 9805, 19610, 20149, 40298, 100745, 201490, 745513, 1067897, 1491026, 2135794, 3727565, 5339485, 7455130, 10678970, 39512189, 79024378, 197560945, 395121890]

約数ペア:

[(1, 395121890), (2, 197560945), (5, 79024378), (10, 39512189), (37, 10678970), (53, 7455130), (74, 5339485), (106, 3727565), (185, 2135794), (265, 1491026), (370, 1067897), (530, 745513), (1961, 201490), (3922, 100745), (9805, 40298), (19610, 20149)]