1917966500

素因数分解:

$2^2\times 5^3\times {\mathrm{181}}^1\times {\mathrm{21193}}^1$

素因数の和:21393

約数の個数: 48

約数和(自身を含む): 4212180336

約数和(自身を除く): 2294213836

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 181, 250, 362, 500, 724, 905, 1810, 3620, 4525, 9050, 18100, 21193, 22625, 42386, 45250, 84772, 90500, 105965, 211930, 423860, 529825, 1059650, 2119300, 2649125, 3835933, 5298250, 7671866, 10596500, 15343732, 19179665, 38359330, 76718660, 95898325, 191796650, 383593300, 479491625, 958983250, 1917966500]

約数ペア:

[(1, 1917966500), (2, 958983250), (4, 479491625), (5, 383593300), (10, 191796650), (20, 95898325), (25, 76718660), (50, 38359330), (100, 19179665), (125, 15343732), (181, 10596500), (250, 7671866), (362, 5298250), (500, 3835933), (724, 2649125), (905, 2119300), (1810, 1059650), (3620, 529825), (4525, 423860), (9050, 211930), (18100, 105965), (21193, 90500), (22625, 84772), (42386, 45250)]