155528120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353473}}^1$

素因数の和:353495

約数の個数: 32

約数和(自身を含む): 381751920

約数和(自身を除く): 226223800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 353473, 706946, 1413892, 1767365, 2827784, 3534730, 3888203, 7069460, 7776406, 14138920, 15552812, 19441015, 31105624, 38882030, 77764060, 155528120]

約数ペア:

[(1, 155528120), (2, 77764060), (4, 38882030), (5, 31105624), (8, 19441015), (10, 15552812), (11, 14138920), (20, 7776406), (22, 7069460), (40, 3888203), (44, 3534730), (55, 2827784), (88, 1767365), (110, 1413892), (220, 706946), (440, 353473)]