201288560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{228737}}^1$

素因数の和:228761

約数の個数: 40

約数和(自身を含む): 510543216

約数和(自身を除く): 309254656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 228737, 457474, 914948, 1143685, 1829896, 2287370, 2516107, 3659792, 4574740, 5032214, 9149480, 10064428, 12580535, 18298960, 20128856, 25161070, 40257712, 50322140, 100644280, 201288560]

約数ペア:

[(1, 201288560), (2, 100644280), (4, 50322140), (5, 40257712), (8, 25161070), (10, 20128856), (11, 18298960), (16, 12580535), (20, 10064428), (22, 9149480), (40, 5032214), (44, 4574740), (55, 3659792), (80, 2516107), (88, 2287370), (110, 1829896), (176, 1143685), (220, 914948), (440, 457474), (880, 228737)]