2688490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 5587200

約数和(自身を除く): 2898710

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 199, 386, 398, 965, 995, 1351, 1393, 1930, 1990, 2702, 2786, 6755, 6965, 13510, 13930, 38407, 76814, 192035, 268849, 384070, 537698, 1344245, 2688490]

約数ペア:

[(1, 2688490), (2, 1344245), (5, 537698), (7, 384070), (10, 268849), (14, 192035), (35, 76814), (70, 38407), (193, 13930), (199, 13510), (386, 6965), (398, 6755), (965, 2786), (995, 2702), (1351, 1990), (1393, 1930)]