218014780

素因数分解:

$2^2\times 5^1\times {\mathrm{2621}}^1\times {\mathrm{4159}}^1$

素因数の和:6789

約数の個数: 24

約数和(自身を含む): 458115840

約数和(自身を除く): 240101060

約数列:

[1, 2, 4, 5, 10, 20, 2621, 4159, 5242, 8318, 10484, 13105, 16636, 20795, 26210, 41590, 52420, 83180, 10900739, 21801478, 43602956, 54503695, 109007390, 218014780]

約数ペア:

[(1, 218014780), (2, 109007390), (4, 54503695), (5, 43602956), (10, 21801478), (20, 10900739), (2621, 83180), (4159, 52420), (5242, 41590), (8318, 26210), (10484, 20795), (13105, 16636)]