207364520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{471283}}^1$

素因数の和:471305

約数の個数: 32

約数和(自身を含む): 508986720

約数和(自身を除く): 301622200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 471283, 942566, 1885132, 2356415, 3770264, 4712830, 5184113, 9425660, 10368226, 18851320, 20736452, 25920565, 41472904, 51841130, 103682260, 207364520]

約数ペア:

[(1, 207364520), (2, 103682260), (4, 51841130), (5, 41472904), (8, 25920565), (10, 20736452), (11, 18851320), (20, 10368226), (22, 9425660), (40, 5184113), (44, 4712830), (55, 3770264), (88, 2356415), (110, 1885132), (220, 942566), (440, 471283)]