127588120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{289973}}^1$

素因数の和:289995

約数の個数: 32

約数和(自身を含む): 313171920

約数和(自身を除く): 185583800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 289973, 579946, 1159892, 1449865, 2319784, 2899730, 3189703, 5799460, 6379406, 11598920, 12758812, 15948515, 25517624, 31897030, 63794060, 127588120]

約数ペア:

[(1, 127588120), (2, 63794060), (4, 31897030), (5, 25517624), (8, 15948515), (10, 12758812), (11, 11598920), (20, 6379406), (22, 5799460), (40, 3189703), (44, 2899730), (55, 2319784), (88, 1449865), (110, 1159892), (220, 579946), (440, 289973)]