8182580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 19802496

約数和(自身を除く): 11619916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 277, 422, 554, 844, 1055, 1108, 1385, 1477, 1939, 2110, 2770, 2954, 3878, 4220, 5540, 5908, 7385, 7756, 9695, 14770, 19390, 29540, 38780, 58447, 116894, 233788, 292235, 409129, 584470, 818258, 1168940, 1636516, 2045645, 4091290, 8182580]

約数ペア:

[(1, 8182580), (2, 4091290), (4, 2045645), (5, 1636516), (7, 1168940), (10, 818258), (14, 584470), (20, 409129), (28, 292235), (35, 233788), (70, 116894), (140, 58447), (211, 38780), (277, 29540), (422, 19390), (554, 14770), (844, 9695), (1055, 7756), (1108, 7385), (1385, 5908), (1477, 5540), (1939, 4220), (2110, 3878), (2770, 2954)]