390250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{223}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 838656

約数和(自身を除く): 448406

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 223, 250, 350, 446, 875, 1115, 1561, 1750, 2230, 3122, 5575, 7805, 11150, 15610, 27875, 39025, 55750, 78050, 195125, 390250]

約数ペア:

[(1, 390250), (2, 195125), (5, 78050), (7, 55750), (10, 39025), (14, 27875), (25, 15610), (35, 11150), (50, 7805), (70, 5575), (125, 3122), (175, 2230), (223, 1750), (250, 1561), (350, 1115), (446, 875)]