258260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 558600

約数和(自身を除く): 300340

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 349, 370, 698, 740, 1396, 1745, 3490, 6980, 12913, 25826, 51652, 64565, 129130, 258260]

約数ペア:

[(1, 258260), (2, 129130), (4, 64565), (5, 51652), (10, 25826), (20, 12913), (37, 6980), (74, 3490), (148, 1745), (185, 1396), (349, 740), (370, 698)]