55128700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2179}}^1$

素因数の和:2227

約数の個数: 72

約数和(自身を含む): 136241280

約数和(自身を除く): 81112580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 1012, 1100, 1150, 1265, 2179, 2300, 2530, 4358, 5060, 6325, 8716, 10895, 12650, 21790, 23969, 25300, 43580, 47938, 50117, 54475, 95876, 100234, 108950, 119845, 200468, 217900, 239690, 250585, 479380, 501170, 551287, 599225, 1002340, 1102574, 1198450, 1252925, 2205148, 2396900, 2505850, 2756435, 5011700, 5512870, 11025740, 13782175, 27564350, 55128700]

約数ペア:

[(1, 55128700), (2, 27564350), (4, 13782175), (5, 11025740), (10, 5512870), (11, 5011700), (20, 2756435), (22, 2505850), (23, 2396900), (25, 2205148), (44, 1252925), (46, 1198450), (50, 1102574), (55, 1002340), (92, 599225), (100, 551287), (110, 501170), (115, 479380), (220, 250585), (230, 239690), (253, 217900), (275, 200468), (460, 119845), (506, 108950), (550, 100234), (575, 95876), (1012, 54475), (1100, 50117), (1150, 47938), (1265, 43580), (2179, 25300), (2300, 23969), (2530, 21790), (4358, 12650), (5060, 10895), (6325, 8716)]