987788120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2244973}}^1$

素因数の和:2244995

約数の個数: 32

約数和(自身を含む): 2424571920

約数和(自身を除く): 1436783800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2244973, 4489946, 8979892, 11224865, 17959784, 22449730, 24694703, 44899460, 49389406, 89798920, 98778812, 123473515, 197557624, 246947030, 493894060, 987788120]

約数ペア:

[(1, 987788120), (2, 493894060), (4, 246947030), (5, 197557624), (8, 123473515), (10, 98778812), (11, 89798920), (20, 49389406), (22, 44899460), (40, 24694703), (44, 22449730), (55, 17959784), (88, 11224865), (110, 8979892), (220, 4489946), (440, 2244973)]