278328950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{6619}}^1$

素因数の和:6689

約数の個数: 36

約数和(自身を含む): 536239860

約数和(自身を除く): 257910910

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 841, 1450, 1682, 4205, 6619, 8410, 13238, 21025, 33095, 42050, 66190, 165475, 191951, 330950, 383902, 959755, 1919510, 4798775, 5566579, 9597550, 11133158, 27832895, 55665790, 139164475, 278328950]

約数ペア:

[(1, 278328950), (2, 139164475), (5, 55665790), (10, 27832895), (25, 11133158), (29, 9597550), (50, 5566579), (58, 4798775), (145, 1919510), (290, 959755), (725, 383902), (841, 330950), (1450, 191951), (1682, 165475), (4205, 66190), (6619, 42050), (8410, 33095), (13238, 21025)]