85484540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{431}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 184633344

約数和(自身を除く): 99148804

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 211, 235, 422, 431, 470, 844, 862, 940, 1055, 1724, 2110, 2155, 4220, 4310, 8620, 9917, 19834, 20257, 39668, 40514, 49585, 81028, 90941, 99170, 101285, 181882, 198340, 202570, 363764, 405140, 454705, 909410, 1818820, 4274227, 8548454, 17096908, 21371135, 42742270, 85484540]

約数ペア:

[(1, 85484540), (2, 42742270), (4, 21371135), (5, 17096908), (10, 8548454), (20, 4274227), (47, 1818820), (94, 909410), (188, 454705), (211, 405140), (235, 363764), (422, 202570), (431, 198340), (470, 181882), (844, 101285), (862, 99170), (940, 90941), (1055, 81028), (1724, 49585), (2110, 40514), (2155, 39668), (4220, 20257), (4310, 19834), (8620, 9917)]