128446840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{169009}}^1$

素因数の和:169039

約数の個数: 32

約数和(自身を含む): 304218000

約数和(自身を除く): 175771160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 169009, 338018, 676036, 845045, 1352072, 1690090, 3211171, 3380180, 6422342, 6760360, 12844684, 16055855, 25689368, 32111710, 64223420, 128446840]

約数ペア:

[(1, 128446840), (2, 64223420), (4, 32111710), (5, 25689368), (8, 16055855), (10, 12844684), (19, 6760360), (20, 6422342), (38, 3380180), (40, 3211171), (76, 1690090), (95, 1352072), (152, 845045), (190, 676036), (380, 338018), (760, 169009)]