7220740

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1619}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 15240960

約数和(自身を除く): 8020220

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 1619, 2230, 3238, 4460, 6476, 8095, 16190, 32380, 361037, 722074, 1444148, 1805185, 3610370, 7220740]

約数ペア:

[(1, 7220740), (2, 3610370), (4, 1805185), (5, 1444148), (10, 722074), (20, 361037), (223, 32380), (446, 16190), (892, 8095), (1115, 6476), (1619, 4460), (2230, 3238)]