219344240

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{21589}}^1$

素因数の和:21729

約数の個数: 40

約数和(自身を含む): 514014720

約数和(自身を除く): 294670480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 21589, 43178, 86356, 107945, 172712, 215890, 345424, 431780, 863560, 1727120, 2741803, 5483606, 10967212, 13709015, 21934424, 27418030, 43868848, 54836060, 109672120, 219344240]

約数ペア:

[(1, 219344240), (2, 109672120), (4, 54836060), (5, 43868848), (8, 27418030), (10, 21934424), (16, 13709015), (20, 10967212), (40, 5483606), (80, 2741803), (127, 1727120), (254, 863560), (508, 431780), (635, 345424), (1016, 215890), (1270, 172712), (2032, 107945), (2540, 86356), (5080, 43178), (10160, 21589)]