200557720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4513}}^1$

素因数の和:4636

約数の個数: 64

約数和(自身を含む): 497262240

約数和(自身を除く): 296704520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 2020, 2222, 4040, 4444, 4513, 5555, 8888, 9026, 11110, 18052, 22220, 22565, 36104, 44440, 45130, 49643, 90260, 99286, 180520, 198572, 248215, 397144, 455813, 496430, 911626, 992860, 1823252, 1985720, 2279065, 3646504, 4558130, 5013943, 9116260, 10027886, 18232520, 20055772, 25069715, 40111544, 50139430, 100278860, 200557720]

約数ペア:

[(1, 200557720), (2, 100278860), (4, 50139430), (5, 40111544), (8, 25069715), (10, 20055772), (11, 18232520), (20, 10027886), (22, 9116260), (40, 5013943), (44, 4558130), (55, 3646504), (88, 2279065), (101, 1985720), (110, 1823252), (202, 992860), (220, 911626), (404, 496430), (440, 455813), (505, 397144), (808, 248215), (1010, 198572), (1111, 180520), (2020, 99286), (2222, 90260), (4040, 49643), (4444, 45130), (4513, 44440), (5555, 36104), (8888, 22565), (9026, 22220), (11110, 18052)]