276520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 645120

約数和(自身を除く): 368600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 223, 248, 310, 446, 620, 892, 1115, 1240, 1784, 2230, 4460, 6913, 8920, 13826, 27652, 34565, 55304, 69130, 138260, 276520]

約数ペア:

[(1, 276520), (2, 138260), (4, 69130), (5, 55304), (8, 34565), (10, 27652), (20, 13826), (31, 8920), (40, 6913), (62, 4460), (124, 2230), (155, 1784), (223, 1240), (248, 1115), (310, 892), (446, 620)]